Oskia Retinoid Sleep Serum Level 2 0.5% 1 oz.

What It Is: Encourage a more radiant and youthful complexion with the Oskia Retinoid Sleep Serum Level 2, a skincare treatment enriched with the brand’s Super-Nutrient Retinoid Complex. What It Does: Along with 0.5% retinoid, this serum contains vitamins C, E and D3 to nourish skin cells and support a plumper texture. With a higher dose than the Level 1 Sleep Serum, this is an excellent choice for people who are already confident in the use of retinoid-based products. It melts in quickly and doe