Problem solved. Contents show. Retinol is more potent than peptides and may have side effects for those with sensitive skin. Without Palmitoyl, Pentapeptide - 4 . What Are Ceramides? The Best Ceramide Products For Your Skin Best for Mature Skin. Over-the-counter retinol, however, take 8 to 10 weeks to show results . Learn how to get firm, glowing skin with our guide on collagen for skincare. Why your skin desperately needs ceramides (possibly more than retinol) 15 Peptide Skin-Care Products for Smoother and Plumper Skin Think of it this way - you brush your teeth every day, and you wouldn't skip that step for a whitening treatment. Pentapeptide-4 is the peptide itself, and Palmitoyl is a fatty acid partner. Separately they can both do wonders for your skin, but together their effectiveness is minimized. When taken by mouth: Collagen peptides are possibly safe. Read more 5 Benefits of ceramides for skin Restores the skin barrier A few days later, Deciem posted a story with these products in the same routine. "These skin types may have a skin barrier that is interrupted, leading to dryness, redness, irritation, and discomfort," says Dr. Rubin. The pairing of niacinamide with ceramides can contribute to both immediate, visible results and the long-term visible improvement of skin's appearance and hydration. Peptides vs. Retinol: A Guide on Which Ingredient to Use - Who What Wear As far as the exact way to use niacinamide and vitamin C together, you can either look for one product that contains both or layer them separately, though the . The bonus is you are in fact able to use both ceramides and peptides together for a powerful skin boost. Your skin's hydration is controlled by the outermost layer of your epidermis, the stratum corneum (a.k.a. Amazon.com: Botanic Hearth Under Eye Cream for Dark Circles and ...