
Kate Somerville
MEGA-A Skin Transforming Serum
Serum · 38 ingredients
More powerful than Retinol and gentle enough for daily use? No, you’re not hallucinating. Kate Somerville's MEGA-A Skin Transforming Serum is powered by clinical-grade Retinal, proven to be 11x more effective than Retinol. To increase hydration + elasticity while smoothing the look of fine lines.

Sephora Collection
HYDRATE - Dewy Bubble Serum with Hyaluronic + Polyglutamic Acids
Serum · 20 ingredients
A lightweight, liquid-formula serum designed to deeply hydrate dry, combination, and normal skin. Hyaluronic acid draws water into the skin, while polyglutamic acid works to lock that moisture in, helping skin feel plumped and refreshed.
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Both are Serum products.
Retinol
A retinoid that speeds cell turnover to smooth texture, soften lines, and clear pores.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
Squalane
A lightweight, biomimetic oil that softens without clogging pores — pairs perfectly with strong actives to offset dryness.
Vitamin E
An antioxidant that protects the barrier and supercharges vitamin C.
Rosa Moschata Seed Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Panthenol (B5)
A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.
Hydrogenated Olive Oil Unsaponifiables
A nourishing plant oil that softens skin and helps seal in moisture.
Saccharomyces Ferment
A fermented filtrate that hydrates, brightens, and strengthens the barrier.
Mauritia Flexuosa Fruit Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Adenosine
A cell-signaling ingredient that smooths fine lines and supports firmer skin.
Polyglutamic Acid
Holds even more water than hyaluronic acid and forms a moisture-locking film on the surface.
AHA
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Hydrogenated Olive Oil Unsaponifiables
A nourishing plant oil that softens skin and helps seal in moisture.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
Polyglutamic Acid
Holds even more water than hyaluronic acid and forms a moisture-locking film on the surface.
AHA
Hydration
Barrier
Brightening
Anti-aging
Firmness
Texture
Acne
Soothing
Antioxidant
Hydration
Barrier