Science
Mechanism of Action
Operating as a potent antioxidant, FURFURYL TETRAHYDROPYRANYLADENINE (Kinetin) neutralizes free radicals generated by ultraviolet radiation, safeguarding skin cells and DNA from oxidative stress. It supports skin rejuvenation by stimulating protein synthesis in dermal fibroblasts, thereby extending cellular vitality and delaying the aging process. Additionally, it strengthens the skin's natural barrier through the induction of keratinocyte differentiation and increased expression of markers like involucrin and keratin 1 mRNA, which results in improved moisture retention and reduced transepidermal water loss. Its inherent anti-inflammatory properties also contribute to reducing erythema and inflammatory lesions.
Research
Clinical Evidence
High confidence0.1%
Key findings
- 01 Clinical trials on photodamaged facial skin revealed that topical application of 0.1% FURFURYL TETRAHYDROPYRANYLADENINE over 12 to 24 weeks led to significant improvements in tactile skin roughness, mottled hyperpigmentation, and fine wrinkles, while restoring normal skin barrier function, all without observed irritation.
- 02 A long-term study demonstrated that a 0.125% FURFURYL TETRAHYDROPYRANYLADENINE lotion was efficacious and well-tolerated in treating mild-to-moderate rosacea for at least 48 weeks. It significantly improved telangiectasias, transepidermal water loss, and dryness, with no reported treatment-induced skin irritation.
- 03 Further research in diverse populations confirmed that 0.1% FURFURYL TETRAHYDROPYRANYLADENINE cream provided slight but statistically significant improvements in overall skin condition, texture, color, and wrinkles associated with facial photo-damage after 12 weeks of use, maintaining good tolerability.
- 04 In vitro studies utilizing human skin fibroblasts showed that concentrations starting at 10 µM increased intracellular glutathione (GSH) levels and the activity of key antioxidant enzymes, while reducing markers of oxidative damage (TBARS). Up to 200 µM, it induced the expression of keratinocyte differentiation markers, positively impacting skin moisture, TEWL, and roughness, although concentrations exceeding 200 µM exhibited cytotoxicity in HaCaT cells in vitro.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
FURFURYL TETRAHYDROPYRANYLADENINE exhibits limited solubility in pure water (<1 mg/ml at 25°C) but is freely soluble in dilute aqueous hydrochloric acid or sodium hydroxide. It also shows slight solubility in methanol and ethanol, and is soluble in DMSO and acetic acid. Maintaining an appropriate pH during formulation is critical for ensuring both its efficacy and stability within cosmetic products.
Safety
Safety Profile
Topical application of FURFURYL TETRAHYDROPYRANYLADENINE at 0.1% and 0.125% has demonstrated good tolerability and no reported irritation in clinical studies extending up to 48 weeks. While generally considered 'POSSIBLY SAFE' for topical use at 0.1% for up to 12 weeks, this ingredient has not undergone formal safety review by the Cosmetic Ingredient Review (CIR) Expert Panel or the Scientific Committee on Consumer Safety (SCCS), and its FDA status for cosmetic use is not explicitly defined.
Your Skin
Skin Compatibility
Our Assessment
Verdict
FURFURYL TETRAHYDROPYRANYLADENINE is a valuable ingredient, backed by clinical evidence to significantly reduce signs of aging and photodamage, improve skin barrier function, and soothe rosacea, all with a consistently low risk of irritation at effective concentrations.
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