Has arbutin (brightening), arginine, ceramides. Arbutin hinders melanin formation of tyrosinase so use w direct tyrosinase inhibitors like Vit C & licorice. Arginine reduces the irritation associated with AHAs bc of time release effect.

niacinamide + BHA

All of the following have niacinamide.
- Missha: anti-aging peptides & lactic acid
- 2sol: Vitamin C, anti-aging peptides
- Troxederm: Aloe, Centella Asiatica Extract, Troxerutin (antiox)
- COSRX BHA:: Betaine Salicylate

Has niacinamide, 2 forms of vitamin C & matrixyls. Niacinamide works better w acetyl glucosamine. Niacin. suppresses transfer of pigment to top layer of skin so pair w with tyrosinase inhibitors like vitamin C, arbutin or kojic acid.

Water-free w a base of centella asiatica extract so v [ ]ed. Has cica, niacinamide & troxerutin (an antioxidant clinically proven to help relieve and prevent irritation, dryness, and inflammation).

Use only in days not using tretinoin

Glycerin, sodium hyaluronate, soothing and antioxidant (+antibacterial & anti-inflammation) plant extracts like Houttuynia Cordata Extract, Camellia Sinensis Leaf Extract (green tea), Portulaca Oleracea Extract

Anti-aging. Marine solide (micro needle) helps deliver active ingred. to deep layers of skin. Helps other skincare products to be absorbed better into the skin when used together. Use 1-2 times per week as the last step of skincare regimen.