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Polyglutamic Acid 50 g

The water-holding polymer transforming modern moisture formulas

Polyglutamic acid is a fermentation-derived biopolymer known for its exceptional capacity to bind and retain moisture, holding many times its own weight in water and keeping skin hydrated noticeably longer than many conventional humectants. This property has made it one of the fastest-growing actives in global skincare formulation, showing up in serums, essences, creams, sheet masks, hair care products, and even select household formulations where a smooth, soft finish matters. The 50 g pack size suits formulators who have moved past single trial batches and now work with recipes on a regular basis, whether in a home lab, a small production studio, or during pre-scale testing of a new line. This ingredient belongs to the Moisturizing actives category, which gathers ingredients focused on long-lasting skin hydration and comfort after application.

Unlike hyaluronic acid, which mainly performs on the skin surface and upper epidermal layers, polyglutamic acid forms a light film that reduces transepidermal water loss while boosting the performance of other humectants present in the same formula. That is why it pairs so effectively with 4D Hyaluronic Acid Hymagic, addressing hydration at different skin levels and delivering more consistent results than either ingredient alone. It also works well alongside protein-based ingredients such as Hydrolyzed Collagen Protein, which supports skin structure while polyglutamic acid focuses on surface hydration retention. Another practical combination is with Urea, which softens rough patches and improves active penetration, making the pair especially useful in hand, foot, and elbow care formulas.

The ingredient should be added to the water phase at the final formulation stage, at temperatures not exceeding 40 degrees Celsius, to preserve the polymer structure. Typical usage rates range from 0.5 to 3 percent of the finished formula, with lighter serums using the lower end and intensive night creams or masks benefiting from higher concentrations. Because it dissolves slowly, it helps to pre-disperse the powder in a small amount of water and let it hydrate before blending into the main batch. Applications span face, body, and hair care almost universally, and beyond cosmetics, polyglutamic acid also appears in select food and biotechnology applications as a thickening and stabilizing agent, though skincare remains its dominant use case worldwide. Store the raw material in a dry, cool place in a tightly sealed container, since it is highly hygroscopic and readily absorbs moisture from the air.

Overnight Hydration Gel-Serum

Distilled water 85 ml

Polyglutamic acid 1.2 g

Glycerin 3 ml

Panthenol liquid 2 ml

Broad-spectrum preservative 1 ml

Fragrance oil 3 drops

Sprinkle the polyglutamic acid powder gradually into room-temperature water while stirring continuously, then let it rest for 20 to 30 minutes until fully hydrated and slightly thickened. Add glycerin, panthenol, and the preservative, mixing gently until the texture is smooth and uniform. Blend in the fragrance oil last, stir briefly, and transfer the finished gel-serum into a clean pump bottle for storage.

Date:

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Author:

Аполлинария, Кицмань

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1 August 2026

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INCI	γ-Polyglutamic Acid
Other
Application	for hair care, masks, shampoos, conditioners, hair balms, creams, light emulsions, in anti-aging products
Att brand	USA
Color product	white
Descriptio smell	characteristic
Features	All information presented on the site is for reference only
Input percentage	0.1-0.5%
Name	Polyglutamic Acid 50 g
Packaging	container for transportation
Packing	50 grams
Solubility	water
Type	structurant (thickener), film former, hair fixer, skin conditioner, humectant
View	powder
Valid until	12.2028