Lactic Acid: Why It Deserves a Place in Your Skincare Routine

Who benefits from lactic acid, and what can you expect from it?
P.S. If you have dry skin, you’re in for a treat!

In the world of acids, potent actives, and beauty innovations, lactic acid often takes a back seat. It’s like the underdog of skincare, despite its impressive ability to balance gentle action with wow-worthy results. Let’s shine a spotlight on this underrated hero and explore why it’s worth your attention.


What Is Lactic Acid, and Who Is It For?

Lactic acid is the gentlest member of the alpha-hydroxy acid (AHA) family. Renowned for its ability to hydrate the skin while delicately exfoliating dead cells, it’s especially beloved by those with dry or sensitive skin. That said, lactic acid is suitable for everyone and is even used in skincare routines for conditions like psoriasis.

If you’re looking to refine your skin’s texture and refresh its appearance without the risk of irritation, this ingredient is for you. Lactic acid is an excellent starting point for those new to acids. But remember, patience is key—its benefits reveal themselves over time, not overnight.


The Power of Lactic Acid

What makes lactic acid unique is its dual action: it works as both an exfoliant and a hydrating agent. Its relatively large molecule size means it only penetrates the skin’s surface layers, making it safe even for sensitive skin. Lactic acid gently dissolves the bonds between dead skin cells, promoting natural exfoliation without causing irritation.

Additionally, it helps retain moisture in the upper layers of the epidermis, boosting hydration, elasticity, and overall skin health. The result? Skin that looks and feels rejuvenated.


What Results Can You Expect from Lactic Acid?

  • Improved skin tone and texture
  • Gentle exfoliation without irritation
  • Support for the skin’s microbiome and pH balance
  • Enhanced hydration and elasticity

How to Use Lactic Acid in Your Skincare Routine

  1. Choose the Right Concentration
    Lactic acid products come in varying strengths. Lower concentrations (5-10%) are ideal for hydration, while higher ones (10-30%) offer more noticeable exfoliation.
  2. Start Slow
    While lactic acid is beginner-friendly, it’s wise to ease into it. Start with one to two uses per week and gradually increase frequency as your skin adjusts.
  3. Pairing with Other Ingredients
    Lactic acid works well with many ingredients, but avoid combining it with retinoids or other acids in the same routine to prevent irritation (unless they’re part of a well-formulated product).
  4. Don’t Skip Sunscreen
    Even though lactic acid is gentle, it can increase your skin’s sensitivity to the sun. SPF is a must in your morning routine to protect your skin.

Lactic acid is proof that skincare doesn’t have to be harsh to be effective. Whether you’re new to active ingredients or looking to give your dry skin a hydration boost, lactic acid might just become your new favorite. Ready to make friends with this gentle powerhouse? Your skin will thank you!

Looking for more insights?

  • Read about acids for oily skin types [here].
  • Learn which acids work well for dry skin [here].
  • Learn more about glycolic acid [here].
  • Discover the different types of acids and general usage guidelines for home care [here].