Brand Comparison
Biologique Recherche vs Mediheal
A head-to-head comparison of two popular K-beauty brands. Which one is right for your skin?
Our Pick
Mediheal
Larger product range
Biologique Recherche
Biologique Recherche is the cult Parisian brand that doesn't behave like a brand. Founded in 1977 by Yvan, Josette, and Dr. Philippe Allouche — a biologist, physiotherapist, and doctor — the house's central conviction is that skin is not a type but a 'Skin Instant', a momentary biological state that shifts with stress, climate, hormones, and life. Every product is built around this diagnostic framework: applied by trained estheticians in BR-authorised institutes worldwide, layered in protocol rather than off-the-shelf routines, and sold (officially) only through those authorised channels. The icon is Lotion P50 — the legendary fermenting exfoliating toner with a vinegary scent that polarises and converts in equal measure. The luxury layer is Crème Masque Vernix, the barrier-restoring overnight mask that retails north of $200. Editor-favorite, derm-respected, never on Sephora.
Pros
- ✓ Skin Instant diagnostic methodology — the most considered approach in luxury skincare
- ✓ P50 lotion is genuinely category-defining — exfoliating + balancing in one toner
- ✓ products only released through trained estheticians — formulation integrity is preserved
- ✓ depth of range from acne to anti-aging to luxury masks
Cons
- ✗ distribution is intentionally restricted — finding stockists takes effort
- ✗ Lotion P50's vinegar scent is polarising and the formulation is genuinely active
- ✗ premium pricing across the entire range — luxury tier
- ✗ the diagnostic framework only delivers full value through an authorised facialist
