Magnesium PCA

Magnesium PCA is a salt of magnesium and pyrrolidone carboxylic acid (PCA), a natural moisturizing factor (NMF) found in skin. It is used in cosmetics for its hydrating and skin-conditioning properties. It can also help to regulate sebum production and soothe the skin.

BenefitGood 2.5 / 4

Hydration i2.5 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

Soothing i1.5 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

Texture i1 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

Uv protection i0.5 / 4

Whether it provides direct protection against UV radiation.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• Hydrates skin
• Helps regulate oil
• Soothes skin

Products with Magnesium PCA

Browse all products →

Frequently asked questions

What is Magnesium PCA used for in skincare?

Magnesium PCA is primarily used to hydrate the skin by attracting and retaining moisture. It also helps to balance oil production and can have a soothing effect on sensitive skin.