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Medik8 Niacinamide Peptides vs TIRTIR Niacinamide 20% 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: Niacinamide, Zinc, and Hyaluronic acid.
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 €39.00 for Niacinamide Peptides and £15.75 (about €18.88) for Niacinamide 20% Serum.
Silicone-free: yes for Niacinamide 20% Serum, no for Niacinamide Peptides.
Peptides is ingredient no. 29 in Niacinamide Peptides and is not in the list for Niacinamide 20% Serum.
Retinoid is ingredient no. 18 in Niacinamide 20% Serum and is not in the list for Niacinamide Peptides.
Niacinamide is ingredient no. 1 in both.
Zinc is ingredient no. 8 in Niacinamide Peptides and no. 36 in Niacinamide 20% Serum.
Hyaluronic acid is ingredient no. 23 in Niacinamide Peptides and no. 19 in Niacinamide 20% Serum.
The list for Niacinamide Peptides has 32 ingredients; the list for Niacinamide 20% Serum has 37 ingredients.
Side by side
Medik8 Niacinamide Peptides and TIRTIR Niacinamide 20% 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
NoIn the list: DIMETHICONE
Yes
Sulfate-free
Yes
Yes
No watchlist ingredients
Yes
Yes
Cruelty-free
No information
No information
Vegan
No information
No information
Key ingredients
Niacinamideno. 1, not counting water
Zincno. 8, not counting water
Hyaluronic acidno. 23, not counting water
Peptidesno. 29, not counting water
Niacinamideno. 1, not counting water
Retinoidno. 18, not counting water
Hyaluronic acidno. 19, not counting water
Zincno. 36, not counting water
Ingredients in the list
32 ingredients
37 ingredients
Prices by store
Cocopanda€39.00€130.00 / 100 mlBuy · CocopandaAffiliate link
YesStyleCheapest£15.75 (about €18.88)€62.93 / 100 mlBuy · YesStyleAffiliate link
The lowest price is in bold. Positions do not count water. Prices checked 11/6/2026.
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Medik8 Niacinamide Peptides vs TIRTIR Niacinamide 20% Serum