Hydrolyzed Lepidium Meyenii Root Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 27, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Hydrolyzed Lepidium Meyenii Root Extract?

Hydrolyzed Lepidium Meyenii Root Extract comes from the root of Lepidium meyenii, better known as maca, a hardy plant native to the high Andes of Peru. When the dried root is steeped in water or another solvent, then treated with controlled acid or enzyme hydrolysis, its large natural molecules are broken into smaller peptides, amino acids and sugars. This hydrolyzed form is water-soluble and easier for skin to absorb compared with a simple ground or raw extract.

Maca has been eaten for energy and resilience since Incan times. Interest in its skin benefits grew once researchers noticed that its rich mix of proteins, minerals and protective plant compounds could help maintain a healthy skin barrier. Cosmetic chemists adopted hydrolysis to make those nutrients more usable in creams and serums, and the ingredient started appearing in beauty formulas in the early 2000s.

Today Hydrolyzed Lepidium Meyenii Root Extract is most often found in daily moisturizers, firming or anti-aging serums, brightening lotions, soothing masks and targeted eye treatments. Its mild nature and compatibility with many other actives make it a flexible addition to both budget and prestige products.

Hydrolyzed Lepidium Meyenii Root Extract’s Cosmetic Benefits/Uses

This ingredient is listed as a skin conditioning agent, meaning it helps keep skin feeling and looking its best. By supplying small peptides, amino acids and sugars, it supports the skin’s natural moisture balance, softens rough patches, adds a smooth feel to a formula and can leave the complexion looking more vibrant over time.

Who Can Use Hydrolyzed Lepidium Meyenii Root Extract

Maca root hydrolysate is considered gentle and non-occlusive, so it suits dry, normal, combination and oily skin alike. Its lightweight water-based profile makes it a good option for sensitive or breakout-prone complexions since it will not clog pores or leave a greasy film.

Because the ingredient is 100% plant derived with no animal by-products, it is suitable for both vegetarians and vegans.

Current research shows no evidence that topical maca extract poses a risk during pregnancy or while breastfeeding. Still, this is not medical advice and anyone who is pregnant or nursing should check with a doctor before adding a new cosmetic product to their routine.

The extract does not increase photosensitivity, so there is no special need to avoid sunlight beyond the usual daily sunscreen recommendation.

Potential Side Effects/Adverse Reactions

Reactions to Hydrolyzed Lepidium Meyenii Root Extract vary from person to person. The issues listed below are uncommon and most users will not notice any problems provided the finished product has been formulated correctly.

  • Mild redness or warmth on very reactive skin
  • Transient stinging if applied to freshly exfoliated or compromised skin
  • Allergic contact dermatitis in individuals sensitive to Brassicaceae plant family members
  • Eye irritation if the product accidentally migrates into the eyes

If any of these effects occur, stop using the product and seek advice from a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 0/5. Hydrolyzed Lepidium Meyenii Root Extract is a water based botanical with virtually no oil or wax content so it does not clog pores on its own. Its small peptides and sugars disperse easily in water leaving no heavy residue on the skin. This makes it a friendly option for people who are prone to acne or breakouts. As always overall formulation counts, so pair it with non-comedogenic bases if congestion is a concern.

Summary

Hydrolyzed Lepidium Meyenii Root Extract is used mainly as a skin conditioning agent. By delivering tiny peptides, amino acids and natural sugars it helps skin hold moisture, feel softer and look livelier. These components also support a resilient barrier which can reduce dryness and dullness over time.

While not as famous as hyaluronic acid or niacinamide, maca root hydrolysate has carved out a steady niche in moisturizers, serums and eye creams where brands want a plant based boost without heaviness.

Current data shows the ingredient is low risk with only rare irritation in sensitive individuals. Still, every formula is different so do a quick patch test when trying any new product that features Hydrolyzed Lepidium Meyenii Root Extract just to be safe.

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