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Ilso Er Firming Serum vs numbuzin No.6 Deep Sleep Mask 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), Licorice root, 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 €17.25 for Er Firming Serum and £13.63 (about €16.34) for No.6 Deep Sleep Mask Serum.
Retinoid is ingredient no. 17 in Er Firming Serum and is not in the list for No.6 Deep Sleep Mask Serum.
Squalane is ingredient no. 32 in Er Firming Serum and is not in the list for No.6 Deep Sleep Mask Serum.
Collagen is ingredient no. 47 in Er Firming Serum and is not in the list for No.6 Deep Sleep Mask Serum.
Niacinamide is ingredient no. 6 in Er Firming Serum and no. 5 in No.6 Deep Sleep Mask Serum.
Panthenol (B5) is ingredient no. 7 in Er Firming Serum and no. 22 in No.6 Deep Sleep Mask Serum.
Licorice root is ingredient no. 23 in Er Firming Serum and no. 31 in No.6 Deep Sleep Mask Serum.
Hyaluronic acid is ingredient no. 31 in Er Firming Serum and no. 9 in No.6 Deep Sleep Mask Serum.
The list for Er Firming Serum has 49 ingredients; the list for No.6 Deep Sleep Mask Serum has 40 ingredients.
Side by side
Ilso Er Firming Serum and numbuzin No.6 Deep Sleep Mask 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
Yes
Yes
Cruelty-free
No information
No information
Vegan
No information
No information
Key ingredients
Niacinamideno. 6, not counting water
Panthenol (B5)no. 7, not counting water
Retinoidno. 17, not counting water
Licorice rootno. 23, not counting water
Hyaluronic acidno. 31, not counting water
Squalaneno. 32, not counting water
Collagenno. 47, not counting water
Niacinamideno. 5, not counting water
Hyaluronic acidno. 9, not counting water
Panthenol (B5)no. 22, not counting water
Licorice rootno. 31, not counting water
Ingredients in the list
49 ingredients
40 ingredients
Prices by store
LykoCheapest€17.25€57.50 / 100 mlBuy · LykoAffiliate link
The lowest price is in bold. Positions do not count water. Prices checked 11/6/2026.
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Ilso Er Firming Serum vs numbuzin No.6 Deep Sleep Mask Serum