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Clinically Proven Ingredients
1
Tranexamic Acid, Niacinamide, and N-Acetyl Glucosamine (NAG)
A prospective 12-week study (n=38, diverse skin types) showed that a serum containing tranexamic acid, niacinamide, and N-acetyl glucosamine significantly reduced global and lesional post-inflammatory hyperpigmentation (PIH) starting at week 4, with continued improvement to week 12. In vitro, TXA inhibited melanogenesis, supporting its cellular mechanism of action. No tolerability issues were reported.
Reference: Draelos et al., 2023, abstract 50536
2
Niacinamide + NAG Combination
In a large, controlled clinical trial, the pairing of 4% niacinamide + 2% NAG consistently reduced the appearance of hyperpigmentation.
Reference: Kimball et al., 2010
3
Kojic Acid
A 2022 review highlights kojic acid as a well-studied tyrosinase inhibitor used for freckles, age spots, post inflammatory hyperpigmentation, and melasma. Clinical data supports its efficacy at ≤2% concentration, though it is limited by stability and irritation risks.
Reference: Phasha et al., 2022
4
Kojic Acid Dipalmitate (KDP)
A 2023 review on KDP shows that this ester derivative of kojic acid has improved stability, permeability, and lower toxicity compared to kojic acid and demonstrates potential for more stable long-term skin lightening.
Reference: Ayuhastuti et al., 2023
5
Alpha-Arbutin
A 2021 review confirms that α-arbutin safely inhibits tyrosinase activity and melanosome maturation, making it a popular and effective skin lightening agent. It is positioned as a safer alternative to hydroquinone, widely used in cosmetic and dermatologic applications for all forms of hyperpigmentation.
Reference: Chandorkar et al., 2021
References
- Chandorkar, N., Tambe, S., Amin, P., & Madankar, C. S. (2021). Alpha Arbutin as a skin lightening agent: A review. International Journal of Pharmaceutical Research, 13(2).
- Draelos, Z. D., Edison, B., Trehan, S., Li, W. H., Singh, S., Feng, L., Batchvarova, N., Parsa, R., & Guerrero, R. (2023). A tranexamic acid, niacinamide, and acetyl glucosamine facial serum clinically improved PIH and post-acne marks in a diverse population. Journal of the American Academy of Dermatology, 88(5), AB114. [Abstract 50536].
- Kimball, A. B., Kaczvinsky, J. R., Li, J., Robinson, L. R., Matts, P. J., Berge, C. A., Miyamoto, K., & Bissett, D. L. (2010). Reduction in the appearance of facial hyperpigmentation after use of moisturizers with a combination of topical niacinamide and N-acetyl glucosamine: Results of a clinical study. British Journal of Dermatology, 162(2), 435–441.
- Phasha, V., Senabe, J., Ndzotoyi, P., Okole, B., Fouche, G., & Chuturgoon, A. (2022). Review on the use of kojic acid—A skin-lightening ingredient. Cosmetics, 9(3), 64.
- Ayuhastuti, A., Syah, I. S. K., Megantara, S., & Chaerunisaa, A. Y. (2023). A comprehensive review of the cosmetic application of kojic acid dipalmitate: Kojic acid derivative with improved properties. Preprints, 2023.
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