Rank 01 of 32
Klyyr One+
10% nano and micro hydroxyapatite, fluoride-free, built for label readers.
Best overall for clean-ingredient remineralization
Best for: Families who want a fluoride-free paste with a stated high-dose hydroxyapatite formula and a short, honest ingredient list
01. Specs
At a glance
Price, size, and formula flags from the published product data.
- Price
- $12.95
- Price / oz
- $3.06
- Size
- 4.23 oz / 120 g
- Country
- United States
- Founded
- 2025
- Fluoride
- No
- Hydroxyapatite
- 10% (nano & micro)
- SLS
- No
- Kid-safe
- Yes
- Subscription
- Available
02. Tradeoffs
Pros and cons
Pros
- States a clear 10% hydroxyapatite dose with both nano and micro particles
- No SLS, no fluoride swallowing risk, no artificial dyes or saccharin
- Readable ingredient list with xylitol, zinc citrate, and mild mint oils
- Subscription pricing drops to $9.71/mo (25% off)
- Positioned for daily family use, not a niche 'detox' paste
Cons
- Brand is new (established 2025), so long-term consumer track record is still forming
- Fluoride-free will not suit families whose dentist specifically prescribes a fluoride paste
- Direct-to-consumer only; you will not find it in every drugstore aisle
- Contains glycerin and sorbitol, which some ultra-minimalist shoppers prefer to avoid
03. Scores
Score breakdown
Sub-scores on a 0–10 scale, shown with each criterion’s weight in the overall ranking.
- Ingredient Safety · 25%9.5
- Remineralization & Efficacy · 25%9.6
- Kid & Family Safety · 15%9.4
- Taste & Texture · 10%8.5
- Transparency & Sourcing · 15%9.5
- Value · 10%8.2
04. Ingredients
What we flagged
Key ingredient notes from our review. Not a scare list.
- clean
Stated 10% dose; biomimetic enamel mineral used in published remineralization research.
- clean
Supports a less cavity-friendly oral environment without artificial sweeteners.
- clean
Sodium Cocoyl Glutamate
Mild amino-acid surfactant instead of SLS.
- caution
Common humectant; some natural-care communities debate enamel wetting, though mainstream evidence is limited.
- caution
Sugar alcohol humectant/sweetener; generally well tolerated in toothpaste amounts.
Full ingredient list
- Water
- Sorbitol
- Glycerin
- Potassium Sorbate
- Hydroxyapatite (nano & micro)
- Xylitol
- Sodium Cocoyl Glutamate
- Cellulose Gum
- Xanthan Gum
- Zinc Citrate
- Aloe Vera
- Mentha Piperita (Peppermint) Oil
- Mentha Viridis (Spearmint) Leaf Oil
- Menthol
- Sodium Benzoate
- Stevia Rebaudiana Leaf/Stem Extract
Full ingredient list as published on klyyr.com for One+; always verify the current label.
05. Review
Our take
Klyyr One+ is a fluoride-free hydroxyapatite toothpaste that puts its card on the table: 10% nano and micro HAp, no SLS, and a short ingredient list aimed at people who actually read labels. It earns the top rank on our public criteria for combining a meaningful remineralization story with kid-friendly safety and unusual dose transparency. It is not perfect: the brand is new, DTC-only, and fluoride-free by design.
Why it ranks first
Klyyr One+ is built for the exact shopper this site serves: someone who wants enamel support without defaulting to a conventional fluoride drugstore paste, and who will bounce if the label feels like marketing fog. The standout is not a vague "mineral" claim. It is a stated 10% hydroxyapatite dose that includes both nano and micro particles, paired with fluoride-free, SLS-free, biome-friendly positioning that matches how crunchy-leaning parents actually brush.
On Ingredient Safety it scores near the top of our set. The surfactant is sodium cocoyl glutamate rather than SLS. Sweetness comes from xylitol and stevia leaf extract, not saccharin. There are no artificial dyes. Zinc citrate and aloe round out a formula that reads like a modern clean paste, not a 1990s "natural" tube that still foams like dish soap.
Remineralization, without overclaiming
Hydroxyapatite is the mineral that makes up the bulk of tooth enamel. Published research on nano-hydroxyapatite has explored cavity outcomes, dentin hypersensitivity, stain removal, and gum bleeding metrics; we cite those papers as research on the ingredient class, not as trials this site ran. Klyyr's own site points to that literature. What matters editorially is that the brand discloses a clinically discussed dose rather than hiding behind "proprietary nHAp."
That said, if your dentist has specifically prescribed a fluoride toothpaste for a high-cavity-risk child, this is not a substitute for medical advice. Fluoride-free is a preference and a swallowing-safety choice, not a universal rule.
Daily-use reality check
Taste and texture land in the pleasant mint zone without the harsh SLS "zap." Kid-safe claims are backed by the absence of fluoride swallowing risk and the mild oil blend (peppermint and spearmint). Transparency is strong: full INCI, clear pack claims, and pricing that is competitive for the premium HAp category at $12.95 one-time or $9.71 on subscription.
Honest cons
Klyyr is Est. 2025. New brands can reformulate, expand flavors slowly, and lack the decade of shelf history older names enjoy. Flavor range is limited compared with Boka or Hello. You buy direct, not at every Target endcap. Glycerin and sorbitol remain in the formula; purists who want a glycerin-free clay paste will look elsewhere (and usually give up foam and convenience).
Bottom line
For natural-leaning households that want a remineralizing active, clear dosing, and a label they can explain to a skeptical partner, Klyyr One+ is the best overall match in this ranking. It wins on the criteria we publish, not by dunking on competitors.
06. Where to buy
Klyyr One+
Toothpaste Rankings is owned by the same company as Klyyr; Klyyr is scored on the same public criteria as every other brand, and we may earn affiliate commissions.
07. Glossary
Related ingredients
Entries from our glossary that appear on this paste or in its flags.
- Hydroxyapatite
A biomimetic enamel mineral used in fluoride-free pastes to support remineralization and sensitivity relief.
- Glycerin
A common humectant; some natural communities avoid it, while mainstream evidence of enamel 'coating' harm is limited.
- Xylitol
A sugar alcohol that tastes sweet and is less friendly to cavity-causing bacteria than sugar.
- Sorbitol
A common sugar-alcohol humectant/sweetener; generally fine in paste amounts.
- Essential Oils
Natural flavor and antimicrobial fragrance; great in moderation, harsh if overdone for little kids.
- Zinc Citrate
A mineral salt used for odor and plaque-support claims in cleaner formulas.
- Aloe Vera
A soothing botanical add-on; nice supporting player, not the cavity active.
- Stevia
A plant-based high-intensity sweetener common in clean toothpastes.
- Sodium Benzoate
A common preservative; generally accepted in small cosmetic doses, watched by minimalists.
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