garnier Brightening serum vs Paula's Choice 10% Niacinamide Booster

Where Paula's Choice 10% Niacinamide Booster really shines is irritation risk, scoring 9.5 compared to garnier Brightening serum's 7.6. garnier Brightening serum includes fragrance ingredients like Linalool and Geraniol, which can be a concern for reactive skin.

Hydration Efficacy is another area of separation. Paula's Choice 10% Niacinamide Booster scores 7.7 here versus 7.2 for garnier Brightening serum. That difference comes down to how each formula is built — the ingredient list tells the story.

Paula's Choice 10% Niacinamide Booster brings Niacinamide, Ascorbyl Glucoside, and Allantoin as actives, while garnier Brightening serum relies on Niacinamide, Ascorbyl Glucoside, and Citrus Limon Fruit Extract / Lemon Fruit Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.