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Blog / P.E.G 400 Humectant Serum Chassis

P.E.G 400 Humectant Serum Chassis

August 7, 2026 · Anshul

PEG 400 is a common cosmetic solvent and humectant. Blend into water, add water-soluble actives, preserve, and adjust pH. Educational starter only – validate for your use case.

Steps

  1. Mix 8 g PEG 400 into ~80 g demineralised water until clear.
  2. Top up to 100 g.
  3. Add actives and a suitable preservative; check pH and clarity; fill.
Makes 100 g Time 15 minutes Level Beginner

Materials required

Add the exact chemicals for this formulation to your cart:

Demineralised Water to 100 g
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Always read the SDS and follow our chemical safety guidance before handling any chemical.

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