Skincare Tips for Beginners & Super-Nerds, Sensitive, Dry & Oily Skin – Page 3 – Protocol Skincare

Apr 25, 2023

Retinol vs. Vitamin C

If we had to pick our two favorite skincare ingredients, retinol and vitamin C would be the obvious answer. They’re the stars of the Protocol product range for a reason! Both are incredibly well-researched, with a multitude of skin-transforming benefits...

Apr 18, 2023

Skin Purging

Skin purging is a bittersweet phenomenon. It’s a “necessary” breakout that can occur in the weeks or months after you’ve started using a skin-renewing product. It’s better to know a purge might be coming before you start a potent retinoid...

Retinol, a potent anti-aging skincare ingredient that stimulates renewal and repair, is yellow or orange in color due to its vitamin A content

Apr 11, 2023

Why Is Retinol Yellow?

Have you ever noticed that your budget-friendly retinol cream is a little yellow? Or, if you tried our Enzyme-Active Retinol Serum, you’ll have noticed a very vibrant orange tint. What on earth is that color about? Simple - that’s just...

Tips for layering skincare, including starting with the most active products, layering by texture from thin to thick, buffering if necessary, applying products with a low pH first, and being aware of ingredient pairings that can inactivate each other

Apr 04, 2023

How to Layer Skincare Like a Skintellectual

Figuring out how to layer skincare can be really simple or it can be really complicated. It all depends on which products you want to use and why. We’ve already covered skincare routine basics, but what if your situation is...

Ascorbic acid is the purest and most bioavailable form of vitamin C that provides multiple benefits to the skin such as brightening complexion, reducing fine lines and wrinkles, and protecting the skin from damage

Mar 28, 2023

Ascorbic Acid for Skin

Ascorbic acid is the purest and most bioavailable form of vitamin C; aka your friendly neighborhood skincare hero and radiance-maker. Would vitamin C by any other name still protect your skin from free radical damage? The answer is probably no....