goop Beauty Sleep Milk Serum — overnight exfoliating face serum, 1 fl oz, 10% acids & hyaluronic for smoother, brighter skin

goop Beauty Sleep Milk Serum is a lightweight overnight milk serum with 10% multi-acid exfoliants and hyaluronic support designed to resurface skin, soften texture, and brighten tone while you sleep.

This silky, fast-absorbing serum combines glycolic and lactic acids with hydrating ingredients to gently exfoliate surface dead skin cells, reduce the look of uneven texture, and improve radiance over time. Formulated for nightly resurfacing, it also doubles as a targeted spot treatment or a quick five-minute mask when you want accelerated results. The formula aims to refine the look of pores, smooth fine lines, and help fade dark spots without leaving skin feeling stripped.

How will this serum change my skin texture overnight?

The combination of glycolic and lactic acids works by loosening bonds between dull surface cells and the fresh skin beneath, so skin appears smoother and more even after continued use. Immediate smoothing can often be felt after the first application, while visible refinement builds over two weeks of routine use.

• 10% blend of glycolic and lactic acids for chemical exfoliation
• Silky milk texture absorbs quickly without heavy residue
• Hydrating agents help preserve moisture when exfoliating

Can I use it to target dark spots, clogged pores, or wrinkles?

Yes—the serum’s high-strength acid blend is intended to address uneven tone, congested pores, and the appearance of fine lines by encouraging surface cell turnover. With regular evening use, hyperpigmentation and pore texture typically look improved as newer, healthier-looking skin emerges.

• Targets discoloration and dullness through resurfacing
• Helps dislodge and smooth clogged pores for a refined appearance
• Supports skin’s natural renewal to soften the look of fine lines

How do I incorporate it into my nighttime routine safely?

Apply one to three pumps to clean, dry skin on the face, neck, and chest in the evening. Start using the serum up to four nights a week and increase frequency as tolerated; if you experience tingling, layer a gentle moisturizer on top to soothe the skin.

• Use after cleansing and before richer creams or oils
• Begin with less frequent use, build up to nightly as skin adjusts
• Can be used as a five-minute mask or a spot treatment for blemishes

What results can I expect and when?

Many users report immediate hydration and smoother feel after the first use, while visible improvements in smoothness and radiance often appear within two weeks. Consistent nightly use helps maintain refined texture and a more even-looking complexion over time.

• Instant: moisturizing feel, suitable to wear alone
• Two weeks: reported smoother, softer, more luminous skin
• Ongoing: continued refinement of texture, tone, and pores

Who is this for: goop Beauty Sleep Milk Serum is intended for adults who want a concentrated overnight exfoliating treatment that also hydrates—ideal for those with uneven texture, dullness, dark spots, or visible pores. It’s suited to people comfortable introducing acids into their routine (start gradually) and to anyone wanting a multi-use product that functions as a nightly serum, a quick mask, or a targeted spot treatment. Avoid use if you have known sensitivities to AHA acids; always follow with sunscreen the next day when using resurfacing acids.

Ingredients

Aqua/Water/Eau, Caprylic/Capric Triglyceride, Glycolic Acid, Squalane, Sodium Hydroxide, Behenyl Alcohol, Gluconolactone, Lactic Acid, Glycerin, Polyglyceryl-10 Dioleate, Pentylene Glycol, Propanediol, Magnesium Aluminum Silicate, Sodium Hyaluronate, Aloe Barbadensis Leaf Juice, Salicornia Herbacea Extract, Hydrogenated Lecithin, Hibiscus Sabdariffa Flower Extract, Piperonyl Glucoside, Polyglutamic Acid, Avena Sativa (Oat) Bran Extract, Tamarindus Indica Seed Polysaccharide, Simmondsia Chinensis (Jojoba) Seed Oil, Adansonia Digitata Seed Oil, Citrullus Lanatus (Watermelon) Seed Oil, Phospholipids, Adansonia Digitata Fruit Extract, Cyclodextrin, Xanthan Gum, Glyceryl Undecylenate, Glyceryl Caprylate, Tetrasodium Glutamate Diacetate, Caprylyl Glycol, Ethylhexylglycerin, Sclerotium Gum, 1,2-hexanediol, Polyglyceryl-10 Dipalmitate, Sodium Benzoate, Potassium Sorbate, Citric Acid.