Myristic Acid

Overview

Myristic acid is a saturated fatty acid commonly found in various natural fats and oils. It is widely used in cosmetic formulations for its emulsifying and skin-conditioning properties.

Clinical Evidence

Safety Assessment

Myristic acid has been evaluated for various safety endpoints including genotoxicity, repeated dose toxicity, and skin sensitization. According to the study titled Update to RIFM fragrance ingredient safety assessment, myristic acid, it is not expected to be genotoxic and poses no significant safety concerns at current usage levels.

Skin Health

In a study exploring the effects of donkey oil, myristic acid was identified as a metabolite influenced by the application of the oil, suggesting its role in maintaining skin health. This is detailed in the research titled Integrative analysis by targeted metabolomics revealed the regulatory function of donkey oil on skin metabolites.

Hydration Assessment

Myristic acid's role in skin hydration has also been indirectly supported by studies assessing skin hydration devices, although specific data on myristic acid was not provided in the study titled Validation of the SkinConnect Nomadic Multi‐Parametric Device for Assessing Stratum Corneum Hydration.

Conclusion

Overall, myristic acid is considered safe for use in cosmetics and may contribute positively to skin health through its various biological roles.