Ingredients Flashcards
AHAs Benefits
They’re a naturally occurring surface exfoliant: As skin cells die, they can often clump together and get stuck on top of the skin. Alpha-hydroxy acids dissolve the “glue” that holds them together, helping them to gently slough away. The result? Pretty much all of the things you want, namely increased radiance, a smoother texture, and fewer dark spots.
Studies show that all of the AHAs promote collagen development to a certain extent, however, none more than glycolic acid,
AHAs best humectants to attract water
Glycolic acid, malic acid, and lactic acid are humectants, meaning they attract water to the skin. Lactic acid in particular is a top choice for those
BHAs and uses
BHAs are organic carboxylic acids that work on skin’s surface and deep inside the pore. They are oil-soluble, so it’s most often preferred for normal to oily skin that’s prone to bumps, clogs, blemishes, and enlarged pores.
the skin-calming properties of the acid (it gets bonus points for being gentle enough for sensitive skin types, including those prone to redness or rosacea). This rings true with the most familiar type of BHA, salicylic acid, too. “Salicylic acid (SA) is fat-soluble, so it’s good on oily skin and gives it an enhanced ability to penetrate pores
Salycylic acid is known to fight bacteria and can be used to treat calluses and other areas of dry skin. “In the highest concentrations, it is used to treat warts. It exerts this effect in a similar way to what AHAs do—by ungluing dead skin cells from each other—but salicylic acid penetrates deeply
Humectant
substances that attract water. In personal care products, they help hydrate the skin, hair, or nails. Hyaluronic acid and glycerin are examples of humectants.
Humectant Activity
In skin care, they draw water from the deeper layers of the skin to the outermost layer. If air humidity is higher than 70%, they also draw water from the surrounding environment to the skin.
Humectant examples
Hylauronic Acid
Glycerin
Salicylic Acid
AHAs
Propolune Glycol
Honey
Sorbitol
Urea
Humectant Benefits
Relieve Keratosis
Reduce Dry Skin
Wound Repair-increased Fibroblasts
Humectant Wound Repair
actions of promoting new blood vessel formation and increasing fibroblasts, which are cells in connective tissue that produce collagen and other fibers.
Fibroblasts
Connective tissue that produces collagens
BHA Action
Smaller Moleculer size sinks deeper in pores
Salycylic
Panthenol
Licorice Root
Mushroom
Green Tea
Best AHA for collagen production
Glycolic
