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Collagen is the main structural protein in human connective tissues, most notably our skin. The vast majority of the collagen in our skin is found in the dermis the second layer of skin that sits beneath the epidermis), where it's also produced. Skin cells in the dermis (fibroblasts) synthesize the collagen that holds the rest of the dermis together, giving our skin its underlying structure.
As for the structure of collagen itself, it’s kind of like a braid or rope: Individual amino acids link up to form long chains, which bundle together to form thicker strands. Those strands then twist and coil around each other to form triple helices. Finally, those helices connect end to end and stack on top of each other to form clusters called fibrils. In other words, collagen is a pretty complex and massive molecule.
That’s why creams formulated with pure collagen simply can’t live up to their lofty claims— those huge braided molecules are just too big to penetrate your epidermis, and definitely too big to get down into the dermis where the real magic happens. So even though collagen creams feel nice and may help moisturize the skin, that’s about it in terms of benefits.
Dry skin, also called xerosis, is when the outer most layer of skin, or epidermis, isn’t retaining sufficient moisture. The epidermis is partially made up of epidermal proteins and fats, or lipids, which help to retain moisture. If the proper amount of these proteins or lipids are lacking, moisture will evaporate more quickly and dry skin will ensue.
Also, external and environmental factors, such as weather, cold air, hot and excessive showers and harsh soaps, are notorious for either causing or exacerbating dry skin.
Rosehip oil enhances the appearance of dry or damaged skin by reducing flaking and restoring the overall vitality of the skin. Jojoba oil is also good for keeping in moisture for healthier skin. Hyaluronic acid is another great ingredient for retaining moisture in dry skin.
Acne-prone dry skin is the hardest to treat because anti-acne ingredients like salicylic acid, glycolic acid, retinoid, etc tend to be drying. Instead of avoiding these effective ingredients, you can combine these ingredients with moisturizing ingredients to counter effect the dryness of these ingredients.
collagen may be effective for dry skin, but there are many other factors that may affect whether this ingredient would work on your skin or if there are better ingredients that may work for you. Take this skin quiz to find the best ingredients for your skin and build your skincare routine.
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