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Article: lactic acid

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lactic acid

Lactic acid – gently exfoliating & moisture-binding for sensitive skin

Lactic acid has a skin-smoothing, moisturizing and regenerating effect – ideal for sensitive, flaky or barrier-damaged skin.


Introduction / Brief description

Lactic acid (INCI: Lactic Acid ) is a biologically well-tolerated AHA acid that has both moisturizing and exfoliating properties. Although "acid" sounds harsh, lactic acid is a natural component of the skin that provides greater balance, especially for sensitive or flaky skin.

Origin & Production

Our vegan lactic acid is obtained from plant starch or sugar through biotechnological fermentation . It is completely free of animal ingredients. Lactic acid occurs naturally in whey or beer, for example; in cosmetics, it is considered a gentle yet effective AHA acid.

Effect on skin & hair

pH value & skin flora

Lactic acid regulates the skin's pH to a slightly acidic level (~5.0–5.5). This supports the skin's natural acid mantle and strengthens its defenses against harmful microorganisms.

Gentle exfoliation & cell regeneration

As the mildest AHA acid, lactic acid gently exfoliates dead skin cells. At the same time, it stimulates the formation of new ceramides and collagen fibers —for a visibly smoother, more even skin texture.

Moisture binding & barrier protection

As a component of the natural moisturizing system (NMF), lactic acid supports the skin's ability to retain water. This makes it particularly valuable for dry, dehydrated, or barrier-damaged skin.

Use in natural cosmetics

Lactic acid is a versatile active ingredient in myrto natural cosmetics – among other things, it is contained in:

  • Moisturizing serums & anti-aging products
  • Facial cleansers & toners
  • Fruit acid peels with a gentle effect
  • pH-neutral hair and scalp care

Special features / Who is it suitable for?

  • ✔ For all skin types, especially sensitive, impure or mature skin
  • ✔ Very well tolerated due to low application concentration
  • ✔ 100% vegan & biodegradable
  • ✘ Use with caution on injured or extremely irritated skin

Conclusion

Lactic acid is a versatile, mild active ingredient for natural skin care. It supports skin regeneration, gently smooths, moisturizes, and helps maintain skin balance – without potential irritation. Ideal for sensitive skin and modern pH-optimized natural cosmetics.


Our natural cosmetics with lactic acid

Discover our mild, pH-optimized care with natural lactic acid – for smooth, hydrated, and balanced skin.

Deep Cleansing Gel with Lactic Acid

Deep Cleansing Gel with Lactic Acid

Further information on exfoliating active ingredients:

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