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The Ultimate Guide to Face Serums: What They Are, How to Choose and Apply Them

What is a serum?

With up to twice the active ingredients of a typical cream, a serum is a powerhouse treatment targeting specific concerns like antioxidants, mattifying, smoothing, anti-redness, or deep hydration. Its ultra-fluid texture stabilizes potent actives and vitamins that creams can't handle. Layer it under your moisturizer—the serum penetrates deeply while the cream protects, amplifying results for healthier skin.

How to choose your serum?

Select based on your top skin need. Match it to your day cream for boosted effects (hydration, mattifying, wrinkle reduction), or pair complementary actions—like a purifying serum with an anti-wrinkle cream for combination skin. Layering two serums works great (known as 'layering'), but skip conflicting ones, such as anti-redness followed by a circulation booster. Use daily (morning/evening per instructions) or as a cure; brand doesn't need to match your cream.

How to apply your serum?

Brands provide tailored rituals on packaging for peak efficacy. Apply to clean skin before day or night moisturizer, following the recommended steps.

Our favorite serums:

Vichy Idealia Life Serum (indicative price: €40), Clarins Double Serum (€84.50), L'Occitane en Provence Essence Sublime (€47).