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Retinol, niacinamide, hyaluronic acid: Decoding beauty buzzwords

04:55

Dermatologist Dr. Marnie Nussbaum joins the 3rd Hour of TODAY to help explain beauty buzzwords and shares the secrets behind some common ingredients. The products she highlights include CeraVe retinol serum, a 10% niacinamide mask, a 1.5% hyaluronic acid serum, a glycolic foaming cleanser and an astaxanthin collagen gel.

7 buzzy beauty ingredients that work for anti-aging, acne and more