Humectant

Lactamide Mea

INCI: LACTAMIDE MEA

Reviewed by Rosie · Last updated 14 Aug 2026

A multifunctional humectant and conditioning agent for hydration and texture

Best For Skin Types

All, Dry, Sensitive

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Lactamide Mea?

Lactamide MEA is a synthetic humectant derived from lactic acid and monoethanolamine. It functions as a skin and hair conditioning agent that helps to attract and retain moisture within the skin barrier.

In skincare formulations, it serves multiple roles: drawing water into the skin, improving product texture and spreadability, and reducing static. It is commonly found across skincare and haircare products due to its versatility and gentle profile.

How It Works

Lactamide MEA works as a humectant by attracting water molecules and binding them to the outer layers of skin. This helps to maintain hydration and prevents transepidermal water loss, particularly when used in formulations with occlusive or emollient ingredients that seal moisture in.

Its conditioning properties stem from its ability to interact with skin proteins, creating a smoother surface and reducing friction. This makes it especially useful in lightweight formulations where a silky finish is desired without heaviness.

Clinical Evidence & References

Lactamide MEA has been used in cosmetics for several decades and is generally recognised as safe in the concentrations used in skincare. However, robust clinical trials specifically isolating its efficacy in skincare are limited, and most evidence comes from its long history of use and safety data rather than published efficacy studies.

It is often included as one of several humectants in formulations, making it difficult to attribute specific skin improvements to lactamide MEA alone. Its primary value lies in its proven safety profile and functional contribution to product stability and feel.

How to Use

Lactamide MEA is typically incorporated into formulations by manufacturers rather than used as a standalone ingredient. When present in a moisturiser or essence, apply to damp skin to maximise its humectant effect—damp skin provides more water for the ingredient to attract and bind. It works well in layered routines alongside occlusive products like oils or creams to seal in hydration.

Safety & Precautions

Lactamide MEA is generally well-tolerated across skin types and has a long history of safe use in cosmetics. It is suitable for sensitive skin, though individual sensitivities are always possible.

Frequently Asked Questions

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