An independent ingredient and price comparison. We don't sell products. Buy buttons are affiliate links.Independent comparison. Buy buttons are affiliate links.
Cos de Baha Snail Serum vs Ilso Er Firming 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, Panthenol (B5), Hyaluronic acid, and Licorice root.
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 €19.50 for Snail Serum and €23.00 for Er Firming Serum.
Essential-oil-free: yes for Er Firming Serum, no for Snail Serum.
Snail mucin is ingredient no. 1 in Snail Serum and is not in the list for Er Firming Serum.
Retinoid is ingredient no. 17 in Er Firming Serum and is not in the list for Snail Serum.
Squalane is ingredient no. 32 in Er Firming Serum and is not in the list for Snail Serum.
Collagen is ingredient no. 47 in Er Firming Serum and is not in the list for Snail Serum.
Verdict:Some things to note(Snail Serum)Non-comedogenic(Er Firming Serum)
Niacinamide is ingredient no. 4 in Snail Serum and no. 6 in Er Firming Serum.
Panthenol (B5) is ingredient no. 6 in Snail Serum and no. 7 in Er Firming Serum.
Hyaluronic acid is ingredient no. 8 in Snail Serum and no. 31 in Er Firming Serum.
Licorice root is ingredient no. 11 in Snail Serum and no. 23 in Er Firming Serum.
The list for Snail Serum has 19 ingredients; the list for Er Firming Serum has 49 ingredients.
Side by side
Cos de Baha Snail Serum and Ilso Er Firming 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.
The lowest price is in bold. Positions do not count water. Prices checked 10/17/2026.
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