Bad breath is the #1 complaint vets hear from dog parents, yet 80 % of pups over age three already have gum inflammation. Left alone, oral bacteria shower the bloodstream with every gulp, stressing the heart, liver and kidneys. Daily tooth-brushing remains the gold standard, but if your schedule—or your dog’s patience—makes that unrealistic, a well-formulated water additive can quietly do a lot of heavy lifting. These tasteless or pleasantly flavored liquids swish around every time your dog laps, helping to loosen plaque, neutralize odor molecules and tilt the oral microbiome toward health.
Below you’ll find the 2025 professional blueprint for choosing, introducing and maximizing a dental water additive without wasting money on over-hyped “mouthwash for dogs.” Bookmark this guide, share it with fellow pet parents, and you’ll never again stand in the pet store aisle second-guessing tiny print and marketing jargon.
Top 10 1/3 cup water
Detailed Product Reviews
1. 1/3 Cup Stainless Steel Measuring Cup | Sturdy Metal 80 ml | 80 cc | 3 oz | Single Cup for Wet and Dry Ingredients | Great for use as 1/3 Cup Dog Food Scoop – 1 PK
Overview: This heavy-duty 1/3-cup scoop is crafted from thick, food-grade stainless steel and sold as a single unit for cooks who want one indestructible cup rather than a whole set.
What Makes It Stand Out: Extra-thick steel, permanent etched imperial/metric markings, an extra-wide ergonomic handle, and a dishwasher-safe mirror finish that rinses clean of peanut butter or grease in seconds.
Value for Money: At $6.49 you’re paying only a dollar more than plastic rivals yet get a lifetime tool that doubles as a dog-food scoop—no replacement cost ever.
Strengths and Weaknesses: Pros: seam-free body won’t trap gunk; balanced handle suits left- or right-hand use; nests flat in drawers. Cons: single 1/3-cup size means you still need other measures; steel can feel cold and heavy for kids.
Bottom Line: If you want one “forever” 1/3-cup measure that survives sticky brown sugar, dense pet kibble, and daily dishwashers, this is the smartest $6 you’ll spend.
2. Supplement and Supply 1/3 Cup (80 mL | 2.7 Oz.) Long Handle Scoop for Measuring Coffee, Pet Food, Grains, Protein, Spices and Other Dry Goods (Pack of 1)
Overview: A no-frills, BPA-free polypropylene scoop rated 80 mL/1/3 cup, designed for coffee bins, rice buckets, or pet-food cans.
What Makes It Stand Out: Long 4.5-inch handle keeps hands clean in tall containers; bright color prevents loss in pantry; FDA-compliant plastic withstands boiling-water sanitizing.
Value for Money: $5.19 for one scoop is mid-range—cheaper than metal, pricier than dollar-store throwaways—but the food-safe resin earns trust.
Strengths and Weaknesses: Pros: lightweight, safe for non-stick cookware, handle hole for hanging, survives drops. Cons: plastic can retain garlic or spice odors; measurements are embossed (not etched) and may fade; not ideal for hot liquids.
Bottom Line: Perfect for coffee lovers or pet owners who need a “grab-and-go” scoop that won’t scratch bins; just label it “dog food” so nobody brews with it later.
3. Supplement and Supply 1/3 Cup (80 mL | 2.7 Oz.) Scoop for Measuring Coffee, Pet Food, Grains, Protein, Spices and Other Dry Goods (Pack of 1) Short Handle
Overview: Identical to Product 2 in material and price but with a stubby 3.4-inch handle—think spice-jar scoop rather than coffee-tin ladle.
What Makes It Stand Out: Compact size nests inside most canisters; short lever gives better control when portioning expensive spices or protein powder.
Value for Money: Still $5.19, so you’re trading reach for precision; fine if you routinely dip into small-mouth containers.
Strengths and Weaknesses: Pros: fits toddler hands, saves drawer space, dishwasher-safe. Cons: knuckles hit jar threads; no hang hole; leverage drops with dense items like brown sugar.
Bottom Line: Buy it only if your containers have narrow openings; otherwise spend the same on the long-handle version for everyday versatility.
4. DOTINGHUX® 1/3 Cup Magnetic Grips Stainless Steel Measuring Cup -1PCS
Overview: A sleek stainless 1/3-cup sporting magnetic handles that snap to other cups or fridge doors, sold singly for modular builds.
What Makes It Stand Out: Rare magnetic feature ends the “orphan cup” syndrome; rolled, smooth rim eliminates finger cuts; polished steel looks pro on open shelving.
Value for Money: $6.29 is fair—only 20¢ above Product 1—for the magnets and finished edges, assuming you’ll stick it to something metal.
Strengths and Weaknesses: Pros: satisfying snap-to-store action, quick rinse clean, mirrored steel resists odors. Cons: magnets can collect metallic grit; cup is slightly lighter gauge than Product 1; markings are silk-screened, not etched—may wear.
Bottom Line: Ideal if you mount knives or bake monthly and hate digging through drawers; otherwise the thicker, etched Product 1 edges out on longevity.
5. American METALCRAFT, Inc. 1/3 Stainless Steel Measuring Cup, Silver
Overview: A commercial-grade 1/3-cup from American Metalcraft featuring a slim wire handle and a precision-pour lip aimed at bakers and bartenders.
What Makes It Stand Out: Pouring spout minimizes drips when transferring liquids; wire handle stays cool and offers a hanging loop; brand trusted by pizzerias and coffee shops.
Value for Money: $7.42 is the highest here, but still cheaper than replacing warped cups every few years.
Strengths and Weaknesses: Pros: calibrated pour lip, lightweight yet rigid, lifetime rust-proof warranty. Cons: wire grip can cut into palms with heavy ingredients; no metric marking; mirror interior shows every scratch.
Bottom Line: Spend the extra buck if you measure stock, batter, or syrups daily and value drip-free pouring; for dry-only tasks, Product 1 saves cash and fingertip comfort.
6. Tablecraft (724B) 1/3 Cup Stainless Steel Measuring Cup (2-Pack)
Overview: The Tablecraft 724B delivers two commercial-grade 1/3-cup scoops in brushed stainless steel. Designed for busy kitchens, each cup nests flat for drawer storage yet sits upright on a counter, making it equally handy for prep work or as a leave-in scoop for rice, flour, or pet food. Laser-etched markings won’t fade, and the entire piece is dishwasher-safe.
What Makes It Stand Out: You get two pro-level cups for the price many brands charge for one. The satin finish hides fingerprints, the flat base keeps the cup from tipping when full, and the sturdy riveted handle feels restaurant-quality.
Value for Money: At $8.60 for a pair, the cost per scoop is under $4.30—cheaper than most plastic sets and far more durable. For households that bake frequently or store bulk dry goods, the second cup immediately earns its keep.
Strengths and Weaknesses: Strengths include commercial 200-series steel, balanced weight, and true 1/3-cup capacity verified by scale. Weaknesses are the short handle (3.5 in) that can disappear into deep canisters and the lack of a pour spout for clean transfers of liquids.
Bottom Line: If you want plain, honest measuring tools that survive decades of dishwasher cycles, this 2-pack is a no-brainer purchase.
7. 1/3 Cup Stainless Steel Measuring Cup, Long 6″ Wire Loop Handle and Pour Spout | Sturdy Metal 80 ml | 80 cc | 3 oz | Single Cup for Wet and Dry Ingredients | Great for use as 1/3 Cup Dog Food Scoop
Overview: This single-purpose scoop targets pet owners and deep-pantry users. A 6-inch wire loop handle keeps hands clean while fishing kibble, rice, or beans from tall bins, and a subtle pour lip on one side reduces spills. Mirror-finished 200-series steel cleans up quickly and hangs neatly on a hook.
What Makes It Stand Out: The extra-long reach is the headline feature—few 1/3-cup scoops extend far enough to touch the bottom of a 5-gallon pet-food container without messy knuckle drag. Laser-etched markings are boldly legible and face outward when the scoop is hung.
Value for Money: $8.49 for one cup feels steep compared with multi-piece sets, but if you constantly misplace the 1/3-cup from your ring, a dedicated, over-sized scoop can save daily frustration and pay for itself in wasted food it prevents.
Strengths and Weaknesses: Strengths are the comfortable loop grip, precise 80 ml fill line, and dishwasher-safe steel. Weaknesses include the thin wire handle that can flex under dense ingredients and the single-unit price that equals some 4-cup plastic sets.
Bottom Line: Buy it when you need a long-reach, single-use scoop more than a complete measuring set; otherwise look for a bundled kit.
8. Mewutal 1/3 Cup Measuring Cup with Wooden Handle, 80ml Stainless Steel Measuring Scoop 1/3 Cup Measuring Cups for Baking Cooking Wet and Dry Ingredients (80ml)
Overview: Mewutal pairs brushed stainless steel with a warm wooden handle to create a boutique-style 1/3-cup scoop. At 6.9 inches overall, it balances like a small ladle, while interior etchings mark 80 ml / 1⁄3 cup clearly. Intended for countertop display, the flat base lets it rest upright beside canisters.
What Makes It Stand Out: The contrasting wood insert elevates everyday baking into a tactile, Instagram-worthy ritual. A rolled rim assists clean pouring, and the semi-matte steel resists smudges better than high-gloss alternatives.
Value for Money: $9.59 for one cup is mid-range; you’re paying a small premium for aesthetics, yet still under ten dollars for a durable, steel tool—reasonable if you value form alongside function.
Strengths and Weaknesses: Strengths are elegant styling, comfortable wood grip that stays cool, and a pour-friendly rim. Weaknesses center on handle care: wood can crack if left in a dishwasher or soaked, and the single-piece purchase leaves you without a spare.
Bottom Line: A charming choice for style-conscious cooks who hand-wash tools; avoid if you rely on dishwasher convenience.
9. Honey Bear Kitchen 1/3 Cup 80 ml Leave-in Measuring Scoop Cups, Polished Stainless Steel (Set of 2)
Overview: Honey Bear Kitchen re-imagines the 1/3-cup scoop as a “leave-in” utensil. Each of the two polished cups carries extra heft and a wider bowl, allowing fast, motion-efficient scoops directly from coffee beans, pet food, or oatmeal canisters. The 6.5-inch handle protrudes above most bin rims, keeping the cup accessible yet captive.
What Makes It Stand Out: The heaviergauge steel (1 mm thick) gives a premium, almost silverware-like feel seldom found in measuring tools. Wide, rounded ears on the handle enable fingertip spins for leveling, and the mirror finish wipes spotless in seconds.
Value for Money: $17.99 for two cups pushes toward the high end, but you receive heirloom-grade stainless intended to outlast appliances. For households that open bins multiple times daily, the time saved hunting for a scoop justifies the spend.
Strengths and Weaknesses: Strengths include robust weight, dual-cup convenience, and stunning polish. Weaknesses are price, bulky storage if you don’t leave them in containers, and scant pouring spout for liquid work.
Bottom Line: Splurge if you crave a permanent, beautiful scoop that lives inside your most-used dry-good bins; budget buyers can skip.
10. Mewutal 1pcs 1/3 Cup Measuring Cup with Wooden Handle Stainless Steel Measuring Scoop 80ml Measuring Spoon Black 1/3 Measuring Cups for Baking Cooking Wet and Dry Ingredients (80ml)
Overview: Essentially a color-swap of Product 8, this Mewutal scoop trades gold steel for matte black and stretches the handle to 7.17 inches. The 80 ml bowl retains the same comfortable wooden grip and internal measurement etchings, aiming at home bakers who want coordinated black-accent kitchens.
What Makes It Stand Out: Black PVD coating resists scratches better than painted finishes, giving the scoop a stealth, professional vibe. The slightly longer handle improves leverage for dense brown sugar or coffee grounds, and a single rivet construction eliminates crevices that trap debris.
Value for Money: $9.99 for one cup is only forty cents more than the golden version, placing it firmly in the affordable-luxury tier. If you’re already updating gadgets to a black theme, the premium is negligible.
Strengths and Weaknesses: Strengths are sharp aesthetics, longer handle, and smudge-hiding dark steel. Weaknesses mirror its sibling: wood must be hand-washed, and the coating can eventually wear if scoured with abrasive pads.
Bottom Line: A stylish, sturdy upgrade for design-minded cooks willing to practice a little handle TLC.
Why Dental Water Additives Outshine Treats and Sprays
Convenience Meets Daily Compliance
The biggest barrier to oral care is remembering to do it. A capful in the water bowl ticks the box automatically—no wrestling, licking peanut-butter toothpaste or chasing a squirming pooch with a finger brush.
Full-Mouth Coverage vs. Spot Applications
Chews contact the molars they touch; sprays hit only where you aim. Additives circulate through the entire oral cavity, reaching gum lines, back molars and crowded toy-breed mouths.
Calorie-Free, Allergy-Safe Strategy
Obesity and food sensitivities are skyrocketing. Unlike dental chews (often 30–60 kcal apiece), water additives add zero calories and dodge common proteins, grains and dyes.
How Additives Actually Work: The Science in Plain English
Enzymatic vs. Mechanical Action
Some formulas use enzymes (glucose oxidase, lysozyme) to break down biofilm’s sticky matrix, letting bacteria wash away. Others rely on mild cleansing agents or even ultra-low-dose baking soda to provide gentle abrasion.
pH Modulation and Bad-Odor Neutralizers
Raising oral pH by 0.5–1 point can cut bacterial replication in half. Alkaline copper-chlorophyllin or sodium bicarbonate buffers turn the mouth from sour to neutral, instantly dulling “rotten-egg” sulfur smells.
Biofilm Disruption Without Antibiotics
Newer seaweed-derived polysaccharides loosen plaque’s grip on enamel so that the tongue and saliva naturally slough it off—no pharmaceutical antibiotics needed, which protects the gut microbiome.
Key Ingredients to Seek in 2025 Formulas
VOHC-Recognized Antimicrobials
Look for chlorhexidine (0.02–0.12 %), cetylpyridinium chloride or zinc salts. The Veterinary Oral Health Council (VOHC) seal means the compound survived controlled trials showing at least a 20 % plaque or calculus reduction.
Natural Enzyme Blends
Amyloglucosidase, lactoperoxidase and lysozyme work synergistically to digest bacterial cell walls. Bonus: they’re safe if your cat sneaks a drink.
Prebiotics that Feed “Good” Mouth Bacteria
Emerging research shows that inulin or beta-glucan nurtures beneficial oral microbes, crowding out pathogens—similar to how gut probiotics work.
Tasteless vs. Flavored Debate
Dogs with chronic kidney disease often reject even mild mint. Flavorless formulas disguise better, but poultry or vanilla-mint can entice picky seniors to drink more water, aiding hydration.
Red Flags: Ingredients You Don’t Want Anywhere Near Your Dog
Xylitol, Sorbitol, Artificial Sweeteners
Xylitol is well-known for spiking insulin, but large sorbitol loads can also trigger diarrhea—especially dangerous for tiny breeds prone to dehydration.
High-Concentration Essential Oils
Tea tree, clove or wintergreen oils marketed as “all-natural” can cause tongue numbness, aspiration pneumonia and, in rare cases, liver toxicity when micro-dosed daily.
Alcohol-Based Preservatives
Ethanol stabilizes flavor but dries mucous membranes, paradoxically worsening odor over time and creating a gateway for yeast overgrowth.
Dyes That Tint Tongue and Furniture
FD&C Blue #1 may look “dental” in the bottle, but it stains carpet and white muzzles. Clear or naturally amber liquids are the cleaner choice.
Breed-Specific Considerations Toy vs. Giant, Brachy vs. Scent Hound
Crowded Mouths Need Daily Biofilm Control
Yorkies, poms and pugs pack 42 teeth into a dollhouse jaw. Even trace enzyme activity has outsized payoff because the contact time between food and enamel is tight.
Sighthounds with Sensitive Stomachs
Greyhounds and whippets often show gastritis to novel additives. Begin with one-quarter of the labeled dose and double-filtered water to reduce environmental chemicals.
Giant Breeds Prone to Drool-Related Dehydration
Mastiffs and saints can empty a 2-gallon bucket in one sitting yet still be dehydrated from drool loss. Opt for additives labeled “electrolyte supporting,” which add trace sodium and potassium buffers.
Decoding Labels: Vet Acronyms Every Owner Should Know
VOHC Accepted vs. USDA Organic
VOHC measures dental efficacy; USDA organic only validates human-grade pesticide residue. A product can be both, but don’t conflate eco-friendly with clinically proven.
NASC Quality Seal
National Animal Supplement Council certification means random lot testing for potency, Salmonella and heavy-metal contamination—critical for kelp-based products that can absorb arsenic.
Made in USA vs. Imported Raw Materials
Domestic bottling is great, but ask where the chlorhexidine, enzymes or seaweed were sourced. Countries with stricter marine pollution laws (Iceland, Norway) often yield cleaner kelp formulas.
Dosage & Safety Overdose Potential and Vet Monitoring
Cap Equivalent vs. ppm
A 16-oz water bowl may need only 2–3 mL to hit the effective chlorhexidine concentration (0.05 %). Using the cap as a scoop can dump ten times that amount—pro tip: buy a 5 mL syringe for precision.
When to Stop a Trial
Salivary staining (brown drip marks on forelimbs), mucosal ulceration, or increased calculus within 4 weeks suggests incompatibility. Pause, rinse, and re-assess with your vet.
Interactions with Heart Medications
High-dose zinc can impair absorption of ACE inhibitors such as enalapril. Space dosing two hours apart or pick a zinc-free brand for cardiac patients.
Water Bowl Hygiene Tips to Maximize Efficacy
Stainless vs. Plastic vs. Ceramic
Micro-scratches in plastic harbor biofilm that inactivates chlorhexidine within hours. Use wide-mouth stainless and scrub in hot 150 °F water daily.
Filtering Tap Water
Municipal chlorine competes with chlorhexidine, neutralizing up to 30 % activity. An inexpensive carbon filter removes chlorine while preserving fluoride for enamel strength.
How Often to Refresh
Enzymes degrade at room temperature after 8–10 hours; dump and refill once in the morning and once at night—never “top off.”
Introducing an Additive to a Finicky or Senior Dog
Gradual Acclimation Schedule
Day 1–2: ¼ dose in a separate dish; Day 3–5: full dose in the secondary dish next to plain water; Day 6+: migrate to primary bowl once acceptance reaches >90 % of total intake.
Masking Unfamiliar Scents
If your dog snubs the bowl, drop a single blueberry or a tablespoon of low-sodium bone broth in the additive solution—aroma first, taste second.
Multimodal Enrichment for Dementia Patients
Senior dogs with cognitive dysfunction may drink less. Pair the additive with a circulating pet fountain; running water elevates interest 2–3-fold and offsets odor fatigue.
Working with Other Dental Care Tools (Brushing, Chews & Diets)
Staggering Delivery Windows
Chlorhexidine can bind the cellulose in dental chews, rendering both less effective. Offer the chew in the morning and additive water at midday to avoid overlap.
Toothpaste Compatibility
Most enzymatic toothpastes contain lactoperoxidase; topical usage remains unaffected. Don’t, however, “double-dose” chlorhexidine toothpaste plus chlorhexidine rinse—mucosal sloughing risk rises.
Prescription Dental Diets
k/d® or Hill’s t/d® can still be paired with an enzyme-based additive, but skip zinc-heavy rinses to keep total daily mineral intake within AAFCO guidelines.
Vegan, Grain-Free and Limited-Ingredient Trends Worth Watching
Plant-Derived Enzymes
Fungal phytase and bromelain are now cultured on soy-free substrates—useful for elimination-diet patients allergic to poultry by-products.
Biodegradable Packaging
Look for sugar-cane or post-consumer recycled plastics. An additive that cleans teeth shouldn’t clog oceans with micro-plastic.
Cruelty-Free Research Certification
Labels from PETA or Leaping Bunny ensure in-vitro testing only—no beagles forced into daily gavage studies—an ethical edge many Millennial and Gen-Z guardians value.
Budgeting: Cost per Milliliter vs. Cost per Efficacy
Concentrated Refill Jugs
Some brands sell gallon jugs that reduce cost to $0.02 per mL—perfect for multi-dog households—yet require fridge storage to keep enzyme potency.
Subscription Traps to Avoid
Auto-ship at 30-day intervals may ship more product than you’ll use, especially for a single Chihuahua. Calculate your actual monthly mL needs first.
Insurance & Wellness Plans
Most dog insurance policies exclude “dental additives,” but some wellness riders reimburse up to $100 per year in oral preventive products—submit your invoices.
Traveling and Boarding: Portable Dental Care Hacks
Single-Use Sachets
Powdered sticks that dissolve in a 12-oz bottle of spring water are TSA-compliant and stay stable for 48 hours once mixed—ideal for agility weekends.
Collapsible Silicone Bowls
Hotel porcelain bowls can be cleaned with harsh detergents that coat surfaces. Bring your own silicone bowl with a snap-on lid to prevent spillage of chlorhexidine-laced water in the car.
Boarding Kennel Etiquette
Print a dosage card with your dog’s weight, bowl volume and additive name to prevent double-dipping by well-meaning staff (the #1 cause of overdose during travel).
Understanding VOHC Protocols and Why Trials Matter
Double-Blind Methodology
Under VOHC standards, neither the vet scaler nor the statistician knows which additive the dog received. This removes unconscious bias when measuring calculus area.
28-Day Minimum Rule
Products tested for shorter windows can claim “reduces plaque” but not “controls plaque accumulation,” a key wording distinction you’ll see on labels.
Home vs. Professional Application
2025 guidelines now accept client-administered additives IF compliance is logged via digital app. Expect more QR-coded bottles hitting shelves this year.
Realistic Timeline: What to Expect at 1 Week, 1 Month & 3 Months
One-Week Check
Noticeable breath freshening (70 % user questionnaires report “improved”). Yellowish slime at the gum line should feel looser when you swipe with gauze.
One-Month Check
Brown tartar at canine and carnassial teeth should chip away with a fingernail—saving $50–$80 in minor scaler time at your next vet visit.
Three-Month Check
Expect up to 25 % reduction in plaque area versus baseline per VOHC models. Actual tooth color won’t whiten like bleach; goal is health, not Hollywood white.
Environmentally Responsible Disposal and Recycling
Enzyme Neutralization
Pour leftover additive (enzyme-based) down the sink with 5 parts warm water; enzymes denature in municipal processing, posing no aquatic risk.
Plastic Type #1 PET Bottles
Most dental additives use PET. Rinse and place in curbside recycling. If your county requires cap removal, buy a metal-free polypropylene cap to stay compliant.
Eco-Brick Donation Programs
Off-grid schools repurpose difficult-to-recycle #7 plastics into building bricks. Check with Terracycle for specialty additive pouches.
Future Innovations on the Horizon (2026–2028)
Probiotic Oral Sprays Combined with Additives
Researchers are micro-encapsulating beneficial streptococcus strains that activate only in water, forming an oral biofilm of “good guys.”
DNA-Targeted Antimicrobial Peptides
CRISPR-derived peptides under trial at UC-Davis bind only to Porphyromonas genome, leaving commensal bacteria untouched—no more broad-spectrum nukes.
Microbiome Testing Kits
Imagine a cheek-swab kit mailed with a QR code; results personalize which additive formula (alkaline vs. enzymatic vs. prebiotic) matches your dog’s specific bacterial fingerprint.
Frequently Asked Questions
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How soon will my dog’s breath improve after starting a water additive?
Most owners notice mild improvement within 3–5 days; full odor neutralization typically plateaus around the two-week mark if dosing and bowl hygiene are correct. -
Can puppies under six months use dental water additives?
Yes, but choose enzyme-only, alcohol-free formulas at half the labeled dose to protect developing gut flora. Always clear it with your vet first. -
Are water additives safe for cats sharing the same bowl?
Many are, but verify the label says “dog and cat safe.” Chlorhexidine concentrations above 0.05 % and zinc levels >0.1 % may upset feline stomachs. -
Do additives replace professional dental cleanings entirely?
No. They can extend the interval between dentals by 20–40 %, but hard tartar still requires mechanical removal under anesthesia once established. -
My senior dog has kidney disease—special precautions?
Pick a zero-phosphorus, sodium-controlled, flavor-free blend. Introduce gradually, monitor water intake and recheck kidney values after 30 days. -
Can I double the dose to speed results?
Overdosing risks vomiting, oral ulceration and electrolyte imbalance. Stick to label instructions; more does not equal faster or better plaque removal. -
What if my dog drinks from multiple bowls or outdoors?
Either bring the additive formula to daycare or train your dog to favor one “home” bottle using a collapsible travel bowl—consistency is key. -
Do additives expire?
Yes, enzymatic activity drops sharply after the stamped date. Discard within six months of opening, or refrigerate concentrated formulas for up to a year. -
Are grain-free dental additives really necessary for allergic dogs?
If your dog is on an elimination diet, grain-free matters. Otherwise, the oral contact time is so minimal that any risk is theoretical at best. -
Travel plans: can additives go through airport security?
Totally. TSA treats them like toiletries; keep them under 3.4 oz in carry-on, declare if asked, and pack a few extra sealed single-use packets in checked luggage for long trips.