Brand
Medik8

Medik8 is a British science-backed brand built on peer-reviewed dermatological research, best known for its vitamin A range and the age-graded Crystal Retinal serums. It is formulated and made in-house in the UK, and L'Oreal acquired a majority stake in 2025.
2009
Elliot Isaacs (founder); brother Daniel Isaacs joined 2011 as CPO
United Kingdom (in-house UK Innovation Centre near London)
L'Oreal holds a majority stake (acquired June 2025); Inflexion was the prior backer
Ownership and scale
Joined L'Oreal's Luxe division in June 2025 via a majority-stake deal whose value was not publicly disclosed.
Brand timeline
2009
Elliot Isaacs founds Medik8 in the UK
2011
Daniel Isaacs joins as Chief Product Officer
2018
Crystal Retinal launches, made at Medik8's own UK labs
2025
L'Oreal acquires a majority stake; brand joins the Luxe division
Where to buy
Where to get the best offers
Buy direct from medik8.com for the full authorized range, samples, and loyalty rewards. Seasonal sets and bundles lower the per-item price on core retinal and vitamin C products.
Medik8 products we have reviewed

Advanced Pro-Collagen+ Peptide Cream
Medik8
Key Ingredient
GF MiniProtein

Press & Glow
Medik8
Key Ingredient
Hydrating toner complex

Exo-PDRN Prismatic+
Medik8
Key Ingredient
PDRN

Hydr8 B5
Medik8
Key Ingredient
Hyaluronic

Calmwise Color Correct
Medik8
Key Ingredient
Moisturizing complex

r-Retinoate Ultimate Night
Medik8
Key Ingredient
Overnight repair complex

Niacinamide Peptides
Medik8
Key Ingredient
Niacinamide
Brand background is compiled from public sources. Ownership and valuation figures are reported acquisitions or valuations where disclosed; private brands are marked as not publicly disclosed. Prices and retailers change, so confirm on the brand's official page.