Lactic acid (LA) is a versatile alpha hydroxy acid derived from sour dairy products and fermented fruits and vegetables. Since its discovery inside the beauty industry, lactic acid has been proven to benefit the fight against aging and wrinkles, alongside a growing number of different skin conditions.
Most recently, new information regarding LA as an effective ingredient used in anti-acne treatments has brought this powerful, natural skincare staple into the limelight again. And, while many within the skincare industry increasingly tout the benefits of lactic acid and other alpha hydroxy acids--we’ve been lactic acid fanatics since our humble beginnings in a Berkeley kitchen.
In Cleansers—Avoid Glycolic AcidThe exfoliating action of lactic acid in a cleanser will be very gentle, while the humectant properties will keep skin soft and moist. You will not get the drying effect of the stronger AHAs like glycolic acid.
In Facials---Lactic Acid is BestMost skin types, including but not limited to mature and sensitive skin, would be well-advised to choose lactic acid peels. Professional treatments use lactic acid peels at higher concentrations and are very effective without being irritating. In between professional treatments you can use yoghurt or sour cream, both of which contain lactic acid, when your skin needs a pick-me-up.
In Serums—Don't Over Pay for Hyaluronic Acid in Topical SerumsHyaluronic acid is the most important glycosamineglycans (or GAG for short) in the dermal matrix, keeping skin plump and pliable. Unfortunately trying to get hyaluronic acid into the dermis via topical applications of serums which contain HA does not work, because the molecule is too big to penetrate. While these serums do act as emollients, smoothing and softening the top layers of the epidermis, they are not humectants. A humectant helps skin retain moisture, and in the case of lactic acid it does so by stimulating biosynthesis of glycosamineglycans (like hyaluronic acid) in the dermis. Thus LA is much more effective at actually plumping skin than serums containing ingredients like HA that merely sit on the skin's surface. These HA serums tend to be expensive and do not live up to the claims that are made for them.
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