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SOSU Cosmetics Underwear Hydrating Base is a skin-quenching, glow-boosting primer that hydrates, smooths, and preps your skin for flawless makeup, or wear it alone instead of foundation for a fresh, dewy look. Infused with Hyaluronic Acid and Niacinamide.

Why you need it

The SOSU Cosmetics Underwear Hydrating Base is your skin’s new best friend and the secret weapon to a flawless makeup finish. Think of it as skincare meets makeup, a nourishing, hydrating primer that works beneath the surface to prep your skin for seamless makeup application.

This innovative base is enriched with skin-loving ingredients like hyaluronic acid, niacinamide, and glycerin, which work together to deeply hydrate, plump, and smooth the skin. Whether your skin is dry, dull, or just needs a moisture boost, this hydrating primer gives you that dewy, healthy glow from within. It also helps minimise the appearance of fine lines and pores, creating the perfect canvas for your foundation.

Lightweight and breathable, the Underwear Hydrating Base absorbs quickly without feeling greasy or heavy, making it ideal for daily wear. Use it under foundation or on its own for a fresh, radiant look that lasts all day. If your makeup tends to crack, cake, or separate, this primer changes the game by locking in moisture and extending your makeup’s wear time.

how to use

After cleansing and moisturising, apply a small amount of the Underwear Hydrating Base evenly to your face using fingertips or a brush. Focus on areas prone to dryness or uneven texture. Allow the primer to fully absorb before applying foundation or other makeup products. Can also be worn alone for a natural, hydrated glow.

INGREDIENTS

AQUA, ETHYLHEXYL METHOXYCINNAMATE,GLYCERIN,ETHYLHEXYL SALICYLATE,DIETHYLAMINO HYDROXYBENZOYL HEXYL BENZOATE, PEG-8 PPG-8 DIMETHICONE,PROPYLENE GLYCOL,BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE,DIMETHICONE PEG-7 PHOSPHATE,MICA,PHENOXYETHANOL,AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER,HYDROXYETHYL ACRYLATE/SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER,PANTHENOL,SODIUM STEAROYL GLUTAMATE,ALUMINUM HYDROXIDE,ETHYLHEXYLGLYCERIN,STEARIC ACID,TOCOPHERYL ACETATE,POLYSORBATE 60,SORBITAN ISOSTEARATE,BUTYLENE GLYCOL,BHT,POLYSORBATE 20,1,2-HEXANEDIOL,TIN OXIDE,OPUNTIA FICUS-INDICA STEM EXTRACT,TITANIUM DIOXIDE (CI 77891),IRON OXIDES (CI 77491),IRON OXIDES (CI 77492)

Faq's

Q. Can I wear the Underwear Hydrating Base without foundation?
A. Absolutely! This hydrating base gives your skin a fresh, dewy glow on its own. It smooths, hydrates, and evens out texture, perfect for makeup-free days when you still want to look radiant and polished.

Q. Will this primer work for oily or combination skin?
A. Yes! While it’s deeply hydrating, the formula is lightweight and non-greasy, making it suitable for all skin types, including oily or combination skin. It helps balance moisture levels and keeps makeup in place all day.

Q. Is the Underwear Hydrating Base suitable for sensitive skin?
A. Definitely. The formula is enriched with gentle, skin-loving ingredients like hyaluronic acid and niacinamide. It’s designed to hydrate without irritation, perfect for daily use, even on sensitive or reactive skin.