Where innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars really shines is active ingredient strength, scoring 6.0 compared to Anua Niacinamide 10% + TXA 4% Serum's 8.6. Its formula features Niacinamide, Allantoin, and Lactobacillus Ferment Lysate in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.8 here versus 8.6 for Anua Niacinamide 10% + TXA 4% Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars brings Niacinamide, Allantoin, and Lactobacillus Ferment Lysate as actives, while anua Niacinamide 10% + TXA 4% Serum relies on Niacinamide, Tranexamic Acid, and Alpha-Arbutin. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At budget pricing with a score of 8.9, Anua Niacinamide 10% + TXA 4% Serum is a decent pick. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars sits at the mid-range level with a 9.4 score — the higher investment pays off in formulation quality.