An independent ingredient and price comparison. We don't sell products. Buy buttons are affiliate links.Independent comparison. Buy buttons are affiliate links.
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: Licorice root, AHA acids, 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 €11.90 for Glycolic Acid Niacinamide Ampoule Serum and €30.70 for Pore Tightening Tonic Essence.
Fragrance-free: yes for Glycolic Acid Niacinamide Ampoule Serum, no for Pore Tightening Tonic Essence.
No drying alcohol: yes for Glycolic Acid Niacinamide Ampoule Serum, no for Pore Tightening Tonic Essence.
Essential-oil-free: yes for Glycolic Acid Niacinamide Ampoule Serum, no for Pore Tightening Tonic Essence.
Niacinamide is ingredient no. 11 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Centella asiatica is ingredient no. 1 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Madecassoside is ingredient no. 26 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Panthenol (B5) is ingredient no. 7 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Mugwort is ingredient no. 36 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Tea tree is ingredient no. 30 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Squalane is ingredient no. 24 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Rice (Oryza sativa) is ingredient no. 37 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Fermented ingredients is ingredient no. 38 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Collagen is ingredient no. 32 in Glycolic Acid Niacinamide Ampoule Serum and is not in the list for Pore Tightening Tonic Essence.
Verdict:Non-comedogenic(Glycolic Acid Niacinamide Ampoule Serum)Some things to note(Pore Tightening Tonic Essence)
Licorice root is ingredient no. 15 in Glycolic Acid Niacinamide Ampoule Serum and no. 11 in Pore Tightening Tonic Essence.
AHA acids is ingredient no. 18 in Glycolic Acid Niacinamide Ampoule Serum and no. 10 in Pore Tightening Tonic Essence.
Hyaluronic acid is ingredient no. 29 in Glycolic Acid Niacinamide Ampoule Serum and no. 14 in Pore Tightening Tonic Essence.
The list for Glycolic Acid Niacinamide Ampoule Serum has 40 ingredients; the list for Pore Tightening Tonic Essence has 21 ingredients.
Side by side
APLB Glycolic Acid Niacinamide Ampoule Serum and ISOI Pore Tightening Tonic Essence 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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Glycolic Acid Niacinamide Ampoule Serum vs Pore Tightening Tonic Essence