Science
Mechanism of Action
Lapachol operates through several distinct mechanisms within the skin. It functions as an antioxidant by hindering oxygen-driven reactions and preventing oxidative stress. Its skin-protecting capabilities help mitigate damage from external factors. Clinically, Lapachol corrects DNA replication errors during early wound healing, fostering the development of healthier, more organized tissue and diminishing scar visibility. It enhances the skin's natural repair and regeneration processes, partly via upregulation of Sirt1/Sirt3, leading to faster tissue regeneration. Furthermore, Lapachol possesses anti-inflammatory properties and effectively reduces pigmentation by inhibiting tyrosinase activity and melanin formation.
Research
Clinical Evidence
Medium confidence0.0005%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Lapachol exhibits limited water solubility, which is highly pH-dependent, increasing significantly in alkaline environments (e.g., 2.5 µg·mL−1 at pH 4 to 5 mg·mL−1 at pH 10.0). It is moderately lipophilic (log P = 2.69) and dissolves well in various organic solvents. To enhance its bioavailability and absorption, incorporating Lapachol into oil-in-water nanoemulsions is recommended.
Conflicts
- methylparaben
- cetostearyl alcohol
- glyceryl monostearate
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not provided a direct safety assessment for Lapachol as a cosmetic ingredient. Historically, Lapachol has been noted for interfering with microbial electron transport, but this mechanism is not relevant to its topical application in precision skincare.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Lapachol is a valuable multi-functional ingredient for precision skincare, offering significant benefits in skin brightening, scar reduction, DNA repair, and protection, with a favorable safety and compatibility profile.
Related
Similar Ingredients
Finding similar ingredients…