In the study using 0.5% retinol and a moisturizer with 30% vitamin C, participants had fewer signs of photoaging, which typically includes dark spots, wrinkles, loss of elasticity, and uneven tone.
Both studies mentioned above examined the effects of a combined retinol-vitamin C treatment after 12 weeks, and both found improvements in skin tone and texture. In the study using 0.5% retinol ...
Whether you're new to skincare or a connoisseur of the game, you probably know what retinol is. The vitamin A derivative ... confused about the right time to use this anti-ageing miracle.