Several anti-ageing OTC products and dermatologist-prescribed creams contain retinol (Vitamin A) in topical form. Retinol and retinoic acid are proven ingredients that help fight early signs of ageing. They help generate new cells that produce new collagen . These ingredients stimulate the production of collagen, which can break down due to external factors such as UV rays and pollution. Blessed for youth How to Use: After cleansing, apply a few drops of serum into hands or directly onto face. Gently pat and press onto skin. Allow the serum to fully absorb into skin before moisturizing.

Sodium Ascorbyl, Sodium Hyaluronate, Tocophersolan, Retinyl Palmitate, (Vitamin A), Pro-Vitamin B What it does Houshmand thinks this product is particularly good for patients with dry skin (or those just starting on retinol) because, as she explains, the concentration and combination of ingredients, including the thermal spring water that Avène is known for, won’t further parch already dry skin. On top of its moisturizing properties, “it has pro-elastin peptides that help with fine lines to firm and has vitamin E which helps with free-radical damage and protects against damaging sun rays,” she says. And it will even help “with dark spots and skin tone” over time.