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 ...
This helps reduce inflammation and dryness caused by retinol use. Benefits of Vitamin C Vitamin C, also known as ascorbic acid, is a versatile antioxidant that brightens and protects the skin ...
"However, vitamin C can be irritating to sensitive skin, in which case I'd avoid using it alongside daily ... to aesthetic doctor Dr Fiona McCarthy. "Retinol encourages cellular regeneration ...