And while the 100mg of HA contributes greatly to its hydration-enhancing effectiveness, the other ingredients also play a huge role.*

The most obvious is the powder’s namesake: collagen. Collagen peptides have been shown to improve hydration, support firmness and promote elasticity.* (Please see our guide to collagen for more information on how.) skin were seven times higher than those who did not take collagen supplements.*

Even better, when collagen and HA work together, studies show they improve the appearance of skin: A double-blind, randomized, placebo-controlled clinical trial found that when a small group of women took a collagen supplement also formulated with hyaluronic. acid and a few other actives, they experienced a noticeably smoother appearance of wrinkles.*

Reviewers note the changes in their skin: “My skin feels firm but soft to the touch,” says Rosalina. And Cynthia B. says, “I’ve been taking it for about 30 days now, and I feel better and my skin looks fresher, which is saying a lot at 59. Thank you for the thoughtful nutritional product.”*