The mineral your teeth are made of. Now in your toothpaste.
Every product in the Peg Paste range is formulated with one intention; to genuinely support your long-term oral health. No fillers, no shortcuts. Just purposeful ingredients, chosen for a reason.
Hydroxyapatite
Hydroxyapatite is the mineral your enamel is built from: around 97% of it. In human trials, hydroxyapatite toothpaste has remineralised enamel and matched fluoride for caries prevention.
Peg Paste uses micro-hydroxyapatite.
What the research shows:
Multiple peer-reviewed clinical studies demonstrate hydroxyapatite toothpaste supports enamel remineralisation and helps prevent demineralisation: with results showing equivalence to fluoride in several trials.
→ PMC narrative review (2022): https://pmc.ncbi.nlm.nih.gov/articles/PMC8930857/
→ 18-month RCT — HA vs Fluoride (2023): https://pmc.ncbi.nlm.nih.gov/articles/PMC10393266/
→ BDJ Open in situ RCT — Amaechi et al. (2019): https://www.nature.com/articles/s41405-019-0026-8
→ 15-study narrative review (2025): https://www.mdpi.com/2079-4983/16/9/325
→ HA in oral care products — comprehensive review: https://pmc.ncbi.nlm.nih.gov/articles/PMC8432723/
Spearmint / Lemon Peel Oil
Two of nature's most effective flavour and freshness ingredients, cold-pressed and carefully sourced. Spearmint leaf oil delivers a clean, lasting freshness while lemon peel oil adds a bright, natural lift — together replacing synthetic flavours with real botanical extracts.
Spearmint has been studied for its antimicrobial properties in oral care, with emerging research suggesting it may support a balanced oral environment. Both oils are used in their pure, natural form — no synthetic fragrance, no compromise.
→ 2025 in vitro study — spearmint vs S. mutans (MDPI Oral): https://www.mdpi.com/2673-6373/5/4/96
→ 2024 Oral microbiome pilot study (PMC): https://pmc.ncbi.nlm.nih.gov/articles/PMC11356387/
Glycerin
Sourced from rapseed and soybean, our glycerin is a natural humectant that plays three roles in your toothpaste: it binds active ingredients into a smooth, stable formula; draws in moisture to maintain the right consistency from first use to last; and coats the mouth with a light, lasting hydration that leaves teeth feeling clean rather than dry. It's also what gives Peg Paste its smooth, creamy texture.
→ Peer-reviewed in vitro toothpaste study confirming glycerin's role as humectant in formula (MDPI 2025): https://www.mdpi.com/2813-0464/4/3/38
Clove oil (Sacred clove only)
Used in traditional dentistry for centuries across cultures worldwide. Clove oil is rich in eugenol — a naturally occurring compound studied extensively for its antimicrobial properties — and has been a staple of professional dental practice since the 19th century, remaining present in many clinical dental materials today.
In Peg Paste, it contributes to a fresher, cleaner mouth with every brush.
→ 2025 Systematic review — phytotherapy in dental pain (PMC): https://pmc.ncbi.nlm.nih.gov/articles/PMC12659986/
→ Eugenol pharmacological review (Sage Journals): Sage Journals
→ Clinical trial — clove oil vs benzocaine (Medical News Today, citing Olsen et al. 2006): https://www.medicalnewstoday.com/articles/321256
Chicory Root
A natural source of inulin — a prebiotic fibre that feeds beneficial bacteria. Your oral microbiome is the second largest microbial site in the body, and emerging research suggests that supporting healthy bacterial balance, rather than eliminating all bacteria, is a more effective long-term approach to oral health.
Chicory root inulin has demonstrated prebiotic effects and is being studied for its role in supporting a balanced oral microbiome.
→ In vitro study — inulin from chicory root vs S. mutans (ResearchGate, 2023): ResearchGate
→ Clinical study — inulin mouth rinse & oral malodour control: Taylor & Francis
→ Chicory root & inulin as prebiotic — PMC comprehensive review: https://pmc.ncbi.nlm.nih.gov/articles/PMC7360457/
→ Prebiotics & probiotics for inhibiting S. mutans (Brieflands): Brieflands
Calcium Carbonate
A mild, mineral-based abrasive and one of the most widely used ingredients in oral care. Calcium carbonate gently buffs away surface stains and daily buildup, polishing the tooth's surface while remaining soft enough to protect enamel with every brush.
A mineral abrasive and one of the most widely used ingredients in oral care. It lifts surface stains and daily build-up as you brush
→ RDA & REA values — PMC peer-reviewed study: https://pmc.ncbi.nlm.nih.gov/articles/PMC11654561/
Acacia Senegal gum / Xanthan gum
Two natural, plant-based binders working together to give Peg Paste its smooth, consistent texture. Acacia Senegal is derived from the sap of the Acacian tree; xanthan gum is produced through natural fermentation. Together they ensure every squeeze delivers the same quality formula — stable, smooth and effective.
Both are food-grade and widely used in oral care
Xylitol
A naturally occurring sugar alcohol found in corn cobb. Xylitol has been studied for its role in dental health since the 1970s and is FDA-approved as safe for human consumption — dentist-recommended for decades for good reason.
Research suggests xylitol may help support a healthier oral environment by disrupting the energy production of harmful bacteria, reducing their ability to adhere to tooth surfaces and thrive.
→ 2022 Meta-analysis (1966–2020): https://pmc.ncbi.nlm.nih.gov/articles/PMC9022379/
→ 2024 Systematic review — S. mutans reduction: https://pmc.ncbi.nlm.nih.gov/articles/PMC11559115/
→ Meta-analysis of 11 trials (PubMed): https://pubmed.ncbi.nlm.nih.gov/28250669/
Menthol
Naturally derived from mint plants, menthol delivers the clean, cooling sensation you feel immediately after brushing — leaving your mouth feeling genuinely refreshed, not just masked.
Menthol has been used in oral hygiene products for decades and has been studied for mild antimicrobial properties that support a cleaner oral environment
→ 2025 in vitro study — spearmint vs S. mutans (MDPI Oral): https://www.mdpi.com/2673-6373/5/4/96
→ 2024 Oral microbiome pilot study (PMC): https://pmc.ncbi.nlm.nih.gov/articles/PMC11356387/
Sodium lauroyl sarcosinate
Derived from sustainable palm, this mild, naturally sourced surfactant gently cleanses the mouth and creates a light, effective foam with every brush. Amino acid-derived and significantly gentler than conventional alternatives.
Reviewed by the Cosmetic Ingredient Review panel and widely used in oral care. It is an amino-acid-derived surfactant, not a sulphate- which is what makes our no-sulphates claim accurate
→ Ingredient overview & FDA/CIR approval status: https://www.tichemindustry.com/post/2018/05/29/sodium-lauroyl-sarcosinate
Miswak Siwak
Used for oral hygiene for thousands of years and formally endorsed by the World Health Organisation in 1987 as an alternative oral hygiene aid. Miswak is one of the most historically validated natural oral care ingredients on the planet.
Rich in naturally occurring active compounds, it has been studied for its role in supporting a cleaner oral environment and is used in Peg Paste for both its functional properties and its cultural heritage.
→ Evidence-based review 2010–2020 (PMC): https://pmc.ncbi.nlm.nih.gov/articles/PMC7296476/
→ Therapeutic effects review — Saudi Medical Journal: https://pmc.ncbi.nlm.nih.gov/articles/PMC4436748/
→ 2025 Systematic review — 10 RCTs (Wiley): https://onlinelibrary.wiley.com/doi/10.1155/sci5/9344221
Glyceryl
Glyceryl Caprylate (coconut-derived)
A mild, plant-based compound made from the fatty acids in coconut oil. It protects the formula from bacterial and fungal spoilage and adds a light, smooth texture.
Glyceryl Caprate (coconut-derived)
Another fatty-acid ester from coconut oil. It works alongside glyceryl caprylate to broaden protection against spoilage, and it's gentle on the gums and soft tissue of the mouth.
Glyceryl Laurate (coconut-derived)
Made from lauric acid, the main fatty acid in coconut oil. It completes the natural preservation system and helps keep the paste's texture stable.
Cosmetic Ingredient Review (CIR): Safety Assessment of Monoglyceryl Monoesters (2020)
The independent US expert panel reviewed glyceryl caprylate, caprate, laurate and related esters, and concluded they are safe in cosmetics at current use levels. Published in the International Journal of Toxicology.
https://journals.sagepub.com/doi/full/10.1177/1091581820966951
CIR: Amended Safety Assessment (full report)
The complete CIR panel report, with toxicology, irritation and sensitisation data for the whole ester group.
https://www.cir-safety.org/sites/default/files/monoglyceryl%20monoesters.pdf
Preservative performance
Fang et al. (2016): A new alternative to cosmetics preservation, International Journal of Cosmetic Science
A preservative blend containing glyceryl caprylate showed broad-spectrum antimicrobial activity as an alternative to conventional preservatives.
https://pubmed.ncbi.nlm.nih.gov/26940643/
Efficacy tests of alternative preservatives for children's cosmetics
Tested alternative preservation systems for gentler children's products, supporting a move away from conventional synthetic preservatives.
https://www.researchgate.net/publication/319335929_Efficacy_tests_of_alternative_preservatives_in_combination_with_phenoxyethanol_for_development_of_safe_cosmetic_products_for_children
Antibacterial activity (glyceryl laurate)
Schlievert & Peterson (2012): Glycerol monolaurate antibacterial activity in broth and biofilm cultures, PLoS One
Showed that glyceryl laurate (also called glycerol monolaurate) has antibacterial activity against a range of bacteria, in both liquid cultures and biofilms.
https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0040350
Effect of glycerol monolaurate nanocapsules on Streptococcus mutans biofilm in vitro (2024), Bioscience Journal
A lab study in which glyceryl laurate reduced biofilm of S. mutans, the bacterium mainly responsible for tooth decay. It's lab-only background, so don't use it in product claims.
https://seer.ufu.br/index.php/biosciencejournal/article/view/72052
Ingredient images show where each ingredient is derived from, not the ingredient in its final form. Each is refined before use, and the images are not indicative of form, quantity or concentration in the finished formula. See the product label for the full ingredient list.
Entire formulation is shown on each product page. As we continue to improve our formulas, ingredients may change from time to time. For the most up-to-date list, always refer to the packaging of the product you've purchased.
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