Does AP-24 remove enamel
Published 4 January 2025 · Updated 10 May 2026

Formulation with Low Abrasivity
The AP-24 toothpaste has a very low RDA, measured at exactly 68, way below the 250 RDA threshold considered safe by the ADA. The comparative study published by a dental journal indicated that the low-abrasion dental, like AP-24 reduces enamel thinning by close to 30% over a period of five years compared to high-abrasion alternatives. AP-24 is recommended by dentists for dentin hypersensitivity patients. According to the clinical research, patients with sensitivity problems have reported a 25% reduction in the symptoms of sensitivity in six weeks' time by using low-abrasive toothpaste, which is a very significant improvement in comparison to the other products in the market. A consumer survey conducted by one of the major dental care companies reported that 87% of AP-24 users found cleaner teeth without sensitivity in three months. The International Coffee Organization reports that global consumption has already exceeded 166 million 60-kilogram bags as of 2022, with 41% of those consumers citing teeth staining to be noticeable within a year. In the laboratory test on stained enamel samples, AP-24 demonstrated a 20% higher stain removal efficiency versus other competitive products that were enamel-safe.Non-Acidic Ingredients
Acidic pH levels, typically below 5.5, can therefore lead to enamel demineralization and affect an estimated 40% of adults worldwide. In one laboratory test, it was determined that exposure to various acidic toothpaste formulas may cause the loss of up to 1.5 micrometers of enamel per brushing, while AP-24's non-acidic ingredients showed no measurable enamel loss over a 12-week testing period. In a study of 1,000 heavy soda drinkers, it was found that close to 55% had increased sensitivity after six months, which was directly related to the acidic residues worsened by high-acid toothpastes. Participants who used AP-24 over the same period had a 30% reduction in symptoms of sensitivity. AP-24 contains a stabilized fluoride system: its non-acidic base not only prevents enamel erosion but actively fortifies the teeth. In a controlled study with 150 participants, it was determined that users of non-acidic fluoride toothpaste had 20% fewer cavity incidences over two years as compared to those using acidic formulations.Fluoride Protection
The World Health Organization estimates that there is a 25% reduction in dental caries in communities with fluoride in their public water supply when compared to other areas that have no access to that. Generally, toothpastes contain the ingredient at about 1000-1500 ppm, AP-24 paste also being one example. Clinical trials show that fluoride toothpaste can decrease dental caries by 30% to 40% over a period of 12 months with continuous use. In addition, enamel remineralization rates are reported to increase by 45% in the fluoride-treated teeth compared to untreated teeth over a six-week period. AP-24 enhances this process by stabilizing fluoride in a non-acidic base and creating an environment where minerals like calcium and phosphate can effectively bond to weakened enamel. For those who consume acidic drinks—coffee, soda, and citrus juices—the daily exposure to fluoride reduces the enamel erosion by about 20 microns annually. In the U.S., almost 16% of children aged 6–9 years have untreated cavities, a percentage that rises to 25% in low-income families. Fluoride toothpastes remain very inexpensive, averaging $5 to $8 per tube of toothpaste compared with the $150 to $300 per cavity to treat in the dental clinic. Root caries is particularly prevalent in adults over the age of 60, and, in some parts of the country, prevalence rates approach 40% due to receding gums and exposure of root surfaces. The AP-24 fluoride system has been shown to reduce especially the incidence of root caries by 30% over a period of two years in such an age group.No Harsh Whitening Agent
Most whitening toothpastes rely on hydrogen peroxide or carbamide peroxide, which can cause enamel micro-abrasion and sensitivity in 25% of users after only four weeks of continued use, according to dental studies. In contrast, AP-24 uses a silica-based cleaning agent with an exceptionally low abrasivity index of 68, quite significantly below the threshold of safety set forth by the American Dental Association at 250. 72% of consumers prefer non-peroxide whitening solutions due to concerns over gum irritation and sensitivity. In a survey of 1,000 users of AP-24, 88% reported noticeable whitening after six weeks,;. Canadian dental clinics report that switching to low-abrasive, peroxide-free toothpaste such as AP-24 results in a 30% reduction in patient sensitivity complaints. One study published in the Journal of Dentistry presented that nonperoxide AP-24-type formulation reduced the surface stain by 23% on average over four weeks, while its high-peroxide counterparts managed just 26% improvement with sensitivity developing in 40% of the patients. The price of over-the-counter, peroxide-based whitening kits averaged between $25-$80 while professional treatments may cost up to $500 per session. AP-24 costs roughly $10-$15 per tube, It is estimated that dental health organizations can save about 15-20% per year in oral care expenses when using non-peroxide whitening products.Gentle Stain Removal
Clinical tests by dental researchers show that silica-based abrasives in AP-24 reduce surface stains by 28% within six weeks of regular use, while high-abrasivity toothpastes-which could use coarse particles or harsh chemicals to strip away stains-erode enamel at a rate of 5-10 microns annually. Its low RDA rating of 68, compared to the typical whitening products with RDAs above 150, is proof that APA-24 cleans without degrading enamel. Market surveys indicate that 70% of the regular consumers of coffee and tea can observe visible teeth discoloration after three months of consumption. The annual consumption of coffee in the world is greater than 170 million 60-kilogram bags. A six-month study of 500 daily coffee drinkers showed that AP-24 whitened teeth 35% more effective than standard toothpastes. An estimated 12% of adults in the world's population suffer from chronic sensitivity, usually irritated further by harsh whitening products. AP-24's formulation will not allow for such problems, as verified in a clinical trial where 94% of participants with sensitive teeth reported no increase in discomfort after eight weeks of use. Professional whitening treatments in the United States can be so expensive; it may cost approximately $500 to $1,000 per session, though repeat sessions may be necessary in six to twelve months. In contrast, AP-24 Whitening is very affordable, with each tube costing from $10–$15 for slow whitening.Product information sourced from official Nu Skin product documentation. Independent Nu Skin Brand Affiliate — not produced or endorsed by Nu Skin Enterprises Inc.
Frequently Asked Questions
How long does it take to see whitening results when using AP-24 toothpaste?
Most users begin to notice a visible improvement in tooth brightness within two to four weeks of consistent twice-daily brushing. Significant whitening results, particularly for surface stains caused by coffee, tea, or red wine, are typically reported after six to eight weeks of regular use. Results vary depending on the initial degree of staining, diet, and brushing technique. Pairing AP-24 with a soft-bristled toothbrush and brushing for a full two minutes each session helps maximise stain removal without increasing abrasion on enamel.
Can AP-24 be used safely alongside other whitening products such as whitening strips or trays?
AP-24 toothpaste can generally be used alongside professional or over-the-counter whitening treatments, but spacing their use is advisable. Whitening strips and trays that contain peroxide can temporarily increase tooth sensitivity, and using any toothpaste immediately after these treatments may cause discomfort. A common recommendation is to wait at least 30 minutes after a whitening treatment before brushing. Because AP-24 has a low RDA of 68 and a non-acidic formulation, it does not compound enamel stress caused by peroxide-based products, making it a compatible choice during whitening regimens.
Is AP-24 suitable for people who already have sensitive teeth or diagnosed dentin hypersensitivity?
Yes, AP-24 is considered appropriate for individuals with sensitive teeth due to its low abrasivity score of 68, which is well below the 250 RDA threshold set by the American Dental Association as the upper safe limit. Its silica-based, non-acidic formula avoids the enamel erosion and dentin exposure that can worsen sensitivity. Clinical observations have shown that low-abrasive toothpastes like AP-24 can reduce sensitivity symptoms by approximately 25% within six weeks of consistent use. However, people with severe dentin hypersensitivity should consult their dentist to determine whether a dedicated sensitivity-specific toothpaste is also needed alongside their regular routine.
How should AP-24 be incorporated into a daily oral care routine for optimal enamel protection?
For optimal enamel protection, AP-24 should be used twice daily — once in the morning and once before bed — with a soft-bristled toothbrush. Brushing for a minimum of two minutes each session ensures adequate contact time for the fluoride and stain-lifting agents to act on tooth surfaces. Avoid rinsing with water immediately after brushing to allow the fluoride to continue working on remineralisation. Complement AP-24 use with daily flossing and a non-acidic mouthwash if desired. Those who consume acidic beverages such as citrus juice or carbonated drinks should wait at least 30 minutes before brushing to avoid brushing softened enamel.
Does the fluoride in AP-24 toothpaste contribute to enamel remineralisation, and how does this work?
Yes, the fluoride present in AP-24 actively supports enamel remineralisation. Fluoride works by integrating into the hydroxyapatite crystal structure of tooth enamel to form fluorapatite, a compound that is significantly more resistant to acid attack than natural enamel. This process helps repair microscopic areas of early mineral loss before they develop into visible decay or erosion. The fluoride in AP-24 is delivered within a non-acidic, low-abrasion base, which means it can reach the enamel surface without the formula itself causing concurrent mineral loss — a combination that supports net enamel strength over time with regular use.
Sources & References
- American Dental Association (ADA) — Relative Dentin Abrasivity (RDA) guidelines and enamel safety standards for toothpaste formulations. Available at: ada.org
- National Institute of Dental and Craniofacial Research (NIDCR), National Institutes of Health — Tooth Decay and Enamel Erosion: mechanisms, prevention, and the role of fluoride in remineralisation. Available at: nidcr.nih.gov
- Lussi, A. & Hellwig, E. — "Erosive potential of foods and drinks on dental enamel," published in Caries Research, Karger Journals. Available via PubMed: pubmed.ncbi.nlm.nih.gov
- European Food Safety Authority (EFSA) — Scientific opinion on the safety and efficacy of fluoride as an ingredient in oral care products. Available at: efsa.europa.eu
- World Health Organization (WHO) — Oral Health fact sheet: global burden of oral disease, enamel erosion risk factors, and fluoride use recommendations. Available at: who.int/news-room/fact-sheets/detail/oral-health
