Paula's Choice Water-Infusing Electrolyte Moisturizer for combination skin

How to apply

Questions and answers

What the research says

• A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.

  Clinical, Cosmetic and Investigational Dermatology, 2017

• Petrolatum-based skin protectants demonstrated protection against irritants and maceration while providing skin hydration, whereas dimethicone and zinc oxide products showed varying or limited performance across parameters among 18 healthy volunteers compared to positive and negative controls.

  Ostomy/wound Management, 2005

• Topical application of solid lipid nanoparticles loaded with an idebenone ester with pyroglutamic acid (IDEPCA SLN) showed a better in vivo hydrating effect compared to idebenone SLN (IDE SLN) in human volunteers.

  Nanomaterials, 2018

• Cosmetic preparations containing at least 2% of the PCA-NaPCA salt system in an adequate vehicle improve the condition of dry skin in humans.

  International Journal of Cosmetic Science, 1981

• Squalane at 0.005-0.015% counteracts UVA-induced oxidative stress, inflammation, and collagen metabolism inhibition while stimulating fibroblast migration in human dermal fibroblasts.

  Molecules, 2025

• Plant-derived squalane protected human dermal fibroblasts against UVA-induced damage by counteracting ROS formation, suppressing apoptosis-related proteins p53, caspase-3, caspase-9, and PARP, and restoring the pro-survival p-Akt/mTOR pathway.

  Antioxidants, 2025

Ingredients

Water, Glycerin, Dimethicone, Butylene Glycol, Propanediol, Stearic Acid, Glyceryl Stearate, Isohexadecane, Potassium Pca, Magnesium Pca, Calcium Pca, Ethylhexyl Olivate, Polyglyceryl-4 Olivate, Pyrus Malus Fruit Extract, Laminaria Digitata Extract Brown Algae Extract, Actinidia Chinensis Fruit Extract, Coffea Arabica Seed Extract Coffee Seed Extract, Biotin, Folic Acid, Cyanocobalamin, Niacinamide, Pantothenic Acid, Pyridoxine, Riboflavin, Thiamine, Yeast Polypeptides, Garcinia Mangostana Peel Extract, Prunus Serotina Fruit Extract Prunus Avium Fruit Extract, Squalane, Ceramide Eop, Ceramide Ap, Ceramide Np, Pisum Sativum Extract, Phytosphingosine, Cholesterol, Acetyl Hexapeptide-37, Rice Bran Extract, Tocopherol, Creatine, Bisabolol, Sorbitol, Inositol, Xylitol, Caprylic Capric Triglyceride, Sodium Levulinate, Behenyl Behenate, Tribehenin, Sodium Lauroyl Lactylate, Xanthan Gum, Sodium Acrylates Copolymer, Acrylates C10-30 Alkyl Acrylate Crosspolymer, Carbomer, Sodium Hydroxide, Tetrasodium Edta, Phenoxyethanol, Ethylhexylglycerin

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.