Skin Conditioning

Lactis Proteinum Extract

INCI: LACTIS PROTEINUM EXTRACT

Reviewed by Daisy · Last updated 2 Jun 2026

A milk-derived protein extract that conditions and supports skin hydration

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Lactis Proteinum Extract?

Lactis Proteinum Extract is derived from milk proteins and functions primarily as a skin conditioning agent in cosmetic formulations. It contains naturally occurring amino acids and peptides that are thought to help maintain skin moisture and support the skin's natural hydration mechanisms.

As a protein-based ingredient, it works by forming a protective layer on the skin's surface, helping to reduce transepidermal water loss and keeping the skin feeling soft and supple.

How It Works

Lactis Proteinum Extract works by depositing a thin, protective film on the skin's surface. This layer helps reduce water loss from the epidermis, which is particularly beneficial for dry or dehydrated skin.

The amino acids and peptides in the extract also interact with the skin's natural moisturising factor, enhancing the skin's ability to hold water and maintain hydration throughout the day.

Clinical Evidence & References

Research specifically examining Lactis Proteinum Extract in skincare is limited. However, milk-derived proteins have a long history of use in cosmetics and are generally recognised as safe and effective conditioning agents.

Evidence supports the use of milk proteins for improving skin hydration and conditioning, though more targeted clinical studies on this specific extract would help establish its efficacy more definitively. It is often included in formulations designed for dry or compromised skin barriers.

How to Use

Lactis Proteinum Extract is typically found in moisturisers, serums, and hydrating masks rather than as a standalone treatment. Use it as part of your regular skincare routine — apply to clean skin morning and evening, or as directed by the product instructions. It pairs well with other humectants and emollients for enhanced hydration benefits.

Safety & Precautions

Lactis Proteinum Extract is generally well-tolerated by most skin types. Those with a milk allergy should exercise caution, though topical application carries lower risk than ingestion.

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