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Medik8 Crystal Retinal 1 Serum vs Q+A Vitamin C Brightening Serum
Two products from the same category (Serums) side by side: the verdict, eight ingredient-list checks, key ingredients by position, and prices by store. Shared key ingredients: Squalane, Hyaluronic acid, and Vitamin C.
We don't name a winner. This page puts the lists and prices side by side, and the choice is yours.
Differences at a glance
The lowest price is €56.00 for Crystal Retinal 1 Serum and €13.50 for Vitamin C Brightening Serum.
Fragrance-free: yes for Vitamin C Brightening Serum, no for Crystal Retinal 1 Serum.
No watchlist ingredients: yes for Vitamin C Brightening Serum, no for Crystal Retinal 1 Serum.
Retinoid is ingredient no. 38 in Crystal Retinal 1 Serum and is not in the list for Vitamin C Brightening Serum.
UV filter is ingredient no. 11 in Crystal Retinal 1 Serum and is not in the list for Vitamin C Brightening Serum.
Verdict:Some things to note(Crystal Retinal 1 Serum)Non-comedogenic(Vitamin C Brightening Serum)
Squalane is ingredient no. 12 in Crystal Retinal 1 Serum and no. 5 in Vitamin C Brightening Serum.
Hyaluronic acid is ingredient no. 22 in Crystal Retinal 1 Serum and no. 9 in Vitamin C Brightening Serum.
Vitamin C is ingredient no. 23 in Crystal Retinal 1 Serum and no. 8 in Vitamin C Brightening Serum.
The list for Crystal Retinal 1 Serum has 47 ingredients; the list for Vitamin C Brightening Serum has 15 ingredients.
Side by side
Medik8 Crystal Retinal 1 Serum and Q+A Vitamin C Brightening Serum side by side
Pairs follow a published formula: same category, both ingredient lists read and at least one price each, one of the two among its category's 50 cheapest or the 50 with prices from the most stores, and neither a set, gift box or mini size. The two share at least two key ingredients, or one and a price per 100 ml in the same range (the dearer at most 2.5 times the other). The most alike pairs come first.
Yes
Silicone-free
Yes
Yes
Sulfate-free
Yes
Yes
No watchlist ingredients
NoIn the list: Moringa Oleifera Seed Oil
Yes
Cruelty-free
No information
No information
Vegan
No information
No information
Key ingredients
UV filterno. 11, not counting water
Squalaneno. 12, not counting water
Hyaluronic acidno. 22, not counting water
Vitamin Cno. 23, not counting water
Retinoidno. 38, not counting water
Squalaneno. 5, not counting water
Vitamin Cno. 8, not counting water
Hyaluronic acidno. 9, not counting water
Ingredients in the list
47 ingredients
15 ingredients
Prices by store
LykoCheapest€56.00€186.67 / 100 mlBuy · LykoAffiliate link
Cocopanda€63.90€213.00 / 100 mlBuy · CocopandaAffiliate link
CocopandaCheapest€13.50€45.00 / 100 mlBuy · CocopandaAffiliate link
The lowest price is in bold. Positions do not count water. Prices checked 10/24/2026.
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Medik8 Crystal Retinal 1 Serum vs Q+A Vitamin C Brightening Serum