Sodium PCA

INCI Name

Sodium PCA

Botanical Name

None

Sodium PCA is a naturally occurring humectant derived from amino acids, widely used in skincare for its strong water-binding properties. As part of the skin’s natural moisturizing factor, it helps keep skin smooth, hydrated, and resilient.

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Primary Function
Humectant
Add'l Function
None
Scent Profile
Odorless
Neutral
Is It Natural?
Naturally Derived (Fermentation-Derived)
Formulate with Confidence

Botanical Building Blocks for Every Blend

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Skin Type Suitability

All
Dry
Mature
Sensitive
Combination
Baby/Child Safe
Considered Safe for Babies
Considered Safe for Teens
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Typical Product Use

Humectant, moisturizer, skin-conditioning agent, natural moisturizing factor (NMF) component

Product Type(s):

Cream
Lotion
Serum
Toner

Typical Usage Range:

1–8% (commonly 2–5% in leave-on products)

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Supportive Qualities

Enhances skin hydration, improves elasticity, supports the skin barrier, mimics naturally occurring moisturizing factors, reduces transepidermal water loss (TEWL)

Primary Components:

Sodium salt of pyrrolidone carboxylic acid (sodium pyroglutamate)

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Important to Know

Generally safe; rare cases of sensitivity possible at high concentrations

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Sourcing Tips

Preferred Extraction Method:

Fermentation of plant-derived sugars and glutamic acid, followed by neutralization with sodium hydroxide

Look for bio-based or fermentation-derived sources; ECOCERT and COSMOS approved grades available

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More information*

Explore additional safety and regulatory data from trusted external sources:

Cosmetics Info
Cosmetic Ingredient Review
EWG's Skin Deep
INCIDecoder
SkinSAFE
SpecialChem

*The ingredient details on this page are intended for general educational use and should not be considered exhaustive. Additional properties, uses, or safety considerations may be available from other sources. Root & Ritual Apothecary is not affiliated with Cosmetics Info, Cosmetic Ingredient Review (CIR), INCIDecoder, SkinSafe, EWG Skin Deep, or SpecialChem. External links are provided solely for informational purposes; Root & Ritual does not control or guarantee the accuracy, methodology, or conclusions of third-party sources, including consumer rating systems such as EWG.