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Holika Holika 3 Seconds Starter (Collagen) vs Neogen Real Vita C 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: Collagen 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 €15.90 for 3 Seconds Starter (Collagen) and €31.50 for Real Vita C Serum.
No drying alcohol: yes for Real Vita C Serum, no for 3 Seconds Starter (Collagen).
Essential-oil-free: yes for 3 Seconds Starter (Collagen), no for Real Vita C Serum.
Niacinamide is ingredient no. 3 in Real Vita C Serum and is not in the list for 3 Seconds Starter (Collagen).
Panthenol (B5) is ingredient no. 18 in Real Vita C Serum and is not in the list for 3 Seconds Starter (Collagen).
Vitamin C is ingredient no. 1 in Real Vita C Serum and is not in the list for 3 Seconds Starter (Collagen).
Collagen is ingredient no. 6 in 3 Seconds Starter (Collagen) and no. 19 in Real Vita C Serum.
Hyaluronic acid is ingredient no. 16 in 3 Seconds Starter (Collagen) and no. 24 in Real Vita C Serum.
The list for 3 Seconds Starter (Collagen) has 19 ingredients; the list for Real Vita C Serum has 26 ingredients.
Side by side
Holika Holika 3 Seconds Starter (Collagen) and Neogen Real Vita C 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.
NoIn the list: Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Citrus Paradisi (Grapefruit) Fruit Extract, Citrus Limon (Lemon) Fruit Extract …
The lowest price is in bold. Positions do not count water. Prices checked 10/17/2026.
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