Using Lactic Acid for Brighter Skin

Dullness often results from the accumulation of dead cells on the skin surface, which scatter light rather than reflecting it. Lactic acid functions by dissolving the intercellular bonds that hold these surface cells together, facilitating their removal.

Unlike other hydroxy acids with smaller molecular weights, lactic acid is noted for its larger molecular size, which generally slows its penetration into the skin. This makes it a suitable option for those seeking a gradual approach to surface exfoliation.

1. Cleanse and dry. Begin with a neutral, pH-balanced cleanser to remove sebum and surface debris. Pat the skin completely dry with a clean towel. Applying acid to damp skin can increase penetration and potential irritation.
2. Apply the solution. Dispense a small amount of the lactic acid solution into your palms. Press the liquid into the skin using a flat-handed motion, beginning at the forehead and working toward the chin. Avoid the immediate eye contour and the corners of the nose.
3. Wait for absorption. Allow the product to dry down and absorb into the skin entirely. Do not rinse the product off unless specified by the manufacturer. Keep the face still to ensure even distribution during this phase.
4. Seal with moisture. Follow with a simple, fragrance-free moisturizer to support the skin barrier. This step locks in hydration and provides a protective layer after the exfoliation process. Ensure the moisturizer does not contain additional exfoliating acids.

Exfoliation is not about intensity, but about the consistent removal of surface debris.