Daily topical oil blend combines tea tree, lavender, lemongrass, flaxseed and almond oils with aloe vera, vitamin E and undecylenic acid, and the company publishes what studies show and where evidence is limited
AURORA, Colo., Oct. 5, 2026 — Kerassentials today announced the U.S. launch of its topical nail and skin care formula for adults. The liquid blend combines five plant oils, aloe vera, a stable form of vitamin E and undecylenic acid. It is designed for adults who want a daily nail and skin care step that fits into an established routine of foot hygiene, well-fitting footwear and regular healthcare.
The formula contains tea tree oil, lavender oil, lemongrass oil, flaxseed oil, almond oil, aloe vera, tocopheryl acetate and undecylenic acid. The recommended use is a daily application to clean, dry nails and surrounding skin after showering. Kerassentials states that the product is manufactured in the United States in an FDA-registered facility that follows Good Manufacturing Practice (GMP) guidelines.
Alongside the launch, Kerassentials is publishing an overview of the published research on its key ingredients. The overview covers both what the research has found and where it falls short.
“Nail care is a crowded category, and a lot of the marketing runs well ahead of the science,” said James Smith, Media Relations at Kerassentials. “We’d rather tell customers plainly what’s in the bottle, what researchers have actually found about each ingredient, and where the evidence is weak or missing. Some of that research is encouraging, and some of it isn’t. Both belong in the conversation.”
A Topical, Plant-Oil Formula
Kerassentials combines three groups of ingredients:
- Three essential oils: tea tree, lavender and lemongrass.
- Three skin-conditioning ingredients: flaxseed oil, almond oil and aloe vera.
- Two supporting ingredients: tocopheryl acetate, a stable form of vitamin E, and undecylenic acid, a fatty acid.
Kerassentials is for external use only.
“Plant-based” and “topical” describe what the formula is made from and how it is used. They do not mean the product is free of risk. Essential oils are concentrated, and tea tree, lavender and lemongrass oils can irritate skin or cause allergic reactions in some people. Anyone with sensitive skin should be especially careful, and no one should apply the product to broken or inflamed skin.
Tea Tree Oil: The Most Studied Oil in the Formula
Tea tree oil comes from the leaves of an Australian tree and has a long history of topical use. It is the ingredient in the formula with the most clinical research on nails.
In a double-blind, multicenter, randomized trial published in the Journal of Family Practice, 117 patients with culture-confirmed toenail onychomycosis applied either 100 percent tea tree oil or a 1 percent clotrimazole solution twice daily for six months [1]. The two treatments did not differ significantly. Culture-confirmed cure rates were low in both groups, at about 18 percent for tea tree oil and 11 percent for clotrimazole, and skin redness or irritation was the most commonly reported side effect among tea tree oil users.
The National Center for Complementary and Integrative Health (NCCIH) concludes that there is limited evidence for tea tree oil on acne and athlete’s foot and less for nail fungus, and that research overall is insufficient for clear conclusions [2]. Tea tree oil products also vary widely in composition and concentration, and results from 100 percent oil in a trial cannot be assumed to apply to a blend in which tea tree oil is one of eight ingredients at a lower concentration. The trial also included debridement and clinical assessments at set intervals, which consumers using a daily product at home would not have. Kerassentials does not claim that its formula treats any nail condition.
Lavender Oil and Aloe Vera: Mostly Laboratory Research
Lavender oil (Lavandula angustifolia) is widely used in personal care products. Aloe vera is a succulent whose gel is used in skin care.
The published research cited for both is laboratory-based. A study in Scientifica tested lavender essential oil against the yeast Candida albicans in a laboratory dish [3]. A study in Oman Medical Journal tested aloe vera leaf extract against fungal species in a culture medium [4]. Results in a dish cannot be assumed to translate to a nail on a living person, where the oil must reach the affected tissue.
Kerassentials includes lavender oil and aloe vera for their roles in skin care and fragrance. The company does not attribute a specific nail or skin outcome to either.
Undecylenic Acid: An Ingredient With a Defined Regulatory Role
Undecylenic acid is a fatty acid made from castor oil. It appears on U.S. drug labels as an active ingredient in over-the-counter antifungal products for athlete’s foot and ringworm, typically at concentrations of 10 to 25 percent [5].
That history needs context. Those products are regulated as drugs, carry specific directions and warnings, and are labeled for skin infections, not nail conditions. Kerassentials is not marketed as a drug, and the finished Kerassentials formula has not been evaluated for any of the uses on those labels.
Other Ingredients: Limited Direct Evidence
The remaining ingredients are common skin care components with long histories of use but little nail-specific research.
- Lemongrass oil: an essential oil studied mainly in laboratory settings. It can irritate skin.
- Flaxseed oil and almond oil: carrier oils rich in fatty acids that condition skin. Neither has been shown to affect nail conditions.
- Tocopheryl acetate: a stable form of vitamin E used to condition skin. It is widely used in cosmetics, and human evidence for nail-specific effects is limited.
A small, uncontrolled study in Skin Appendage Disorders applied a nail oil containing vitamin E and lime, oregano and tea tree essential oils once daily for six months to 20 patients with mild to moderate onychomycosis [6]. Fourteen completed the study. Because it had no control group, was small and tested a different formula, it cannot support conclusions about Kerassentials.
What Ingredient Research Does and Does Not Show
Kerassentials’ research overview separates three questions: what each ingredient is, what researchers have found about it independently, and what has been demonstrated about the finished formula.
The studies referenced here examined single ingredients or different formulas, at specific concentrations, in specific populations and over specific periods. Some were laboratory studies, some were small and uncontrolled, and the best-controlled trial showed low cure rates with a different product. Kerassentials combines eight ingredients at concentrations that may differ from any individual study, and the finished formula has not been evaluated in published clinical trials. For that reason, Kerassentials does not describe its product as clinically proven or attribute ingredient-level findings to the complete formula.
“We included the tea tree oil trial on purpose,” said James Smith. “If a company only cites the studies that went its way, consumers can’t make a real decision. Customers deserve the whole picture.”
Safety and Suitability
Kerassentials is intended for external use by healthy adults. Because several ingredients are essential oils, people in the following situations should consult a qualified healthcare professional before use:
- have persistent nail discoloration, thickening, pain or spreading changes in the nail or surrounding skin
- have diabetes or poor circulation, or are immunocompromised
- have eczema, very sensitive skin or a known allergy to essential oils
- are pregnant, nursing or planning a pregnancy
- take medication for a nail or skin condition
Do not swallow the product. NCCIH notes that tea tree oil is toxic when swallowed [2]. Keep it out of the reach of children and pets, avoid contact with eyes, and stop use if irritation develops. NCCIH has also noted a report of breast tissue growth in a young boy who used products containing lavender and tea tree oils, although the cause was not established, and Kerassentials is not intended for children. Follow the label directions and test a small area of skin first, waiting to see whether redness, itching or swelling develops before using the product more widely. Consumers should not use the product in place of medical evaluation. Nail changes can have causes other than infection, including injury, psoriasis and other skin conditions, and a healthcare professional can confirm what is going on before a person chooses a product.
Product Format and Availability
Kerassentials is available now to U.S. consumers through its official website, where purchase options are listed. Recommended use is a daily application after showering. Nails grow slowly, with toenails typically growing about a millimeter a month, so any nail care routine is a long-term commitment. Kerassentials does not promise a timeframe or result, and individual experiences vary. The product is manufactured in the United States in an FDA-registered facility that follows GMP guidelines. It is backed by a 60-day money-back guarantee, and orders are processed by ClickBank.
FDA facility registration and GMP compliance relate to manufacturing standards, identity, purity and quality controls. They do not indicate FDA approval of the product or its claims.
About Kerassentials
Kerassentials is an Aurora, Colorado-based nail and skin care brand focused on plant-oil formulas. Its eight-ingredient topical formula combines tea tree, lavender, lemongrass, flaxseed and almond oils with aloe vera, vitamin E and undecylenic acid and is manufactured in an FDA-registered facility that follows GMP guidelines. The company’s approach centers on ingredient transparency, including plain-language discussion of both supportive and unsupportive research. More information is available at kerassentials.com.
References
- Buck DS, Nidorf DM, Addino JG. Comparison of two topical preparations for the treatment of onychomycosis: Melaleuca alternifolia (tea tree) oil and clotrimazole. Journal of Family Practice. 1994;38(6):601–605.
- National Center for Complementary and Integrative Health. Tea Tree Oil: Science and Safety.
- Behmanesh F, Pasha H, Sefidgar AA, et al. Antifungal effect of lavender essential oil (Lavandula angustifolia) and clotrimazole on Candida albicans: an in vitro study. Scientifica. 2015;2015.
- Saniasiaya J, Salim R, Mohamad I, et al. Antifungal effect of Malaysian Aloe vera leaf extract on selected fungal species of pathogenic otomycosis species in in vitro culture medium. Oman Medical Journal. 2017;32(1):41.
- U.S. National Library of Medicine, DailyMed. Over-the-counter antifungal drug labels listing undecylenic acid as an active ingredient.
- Alessandrini A, Starace M, Bruni F, Piraccini BM. An open study to evaluate effectiveness and tolerability of a nail oil composed of vitamin E and essential oils in mild to moderate distal subungual onychomycosis. Skin Appendage Disorders. 2020;6(1):14–18.
Media Contact
James Smith, Media Relations
Kerassentials
19655 E 35th Dr #100, Aurora, CO 80011, United States
Email: contact@kerassentials-product.com
Phone: 1-800-390-6035
Website: kerassentials.com
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Research referenced in this release concerns individual ingredients and does not constitute clinical evaluation of the complete Kerassentials formula or endorsement by the cited researchers, journals, institutions or government agencies.
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