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Su:m37 Fleur Regenerative Serum - Image 1
Expert Score8.0
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Su:m37•product

Su:m37 Fleur Regenerative Serum

Fermentation-based luxury anti-aging serum with Orchid Y Complex and Purity Ferm for elasticity, barrier normalization, and regeneration

Expert Rating
8.0/10

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The Analysis

Quick Specs

Price$157
Ease Of UsePress pump with a measured single dose per application; a straightforward single-step formulation appropriate for experienced K-beauty users seeking a premium anti-aging serum
Bottle Size50
Skin TextureRich serum-essence hybrid with a subtle slip and fast absorption; leaves a satin-smooth, lightly cushioned finish suited to mature or dry skin types

Expert Review Summary

The Su:m37 Fleur Regenerative Serum is a prestige anti-aging formula from LG Household and Health Care's flagship fermented K-beauty label. It centers on two proprietary complexes: Orchid Y Complex, derived from orchid extract and designed for intensive nourishment and long-term elasticity support, and Purity Ferm, a fermentation-derived bioactive blend that promotes stratum corneum normalization and reduces dullness by accelerating cellular turnover at a gentle, non-irritating rate. The formula incorporates Hyaluronic Acid and Trehalose for deep and sustained moisture retention, Ceramide for barrier reinforcement, and Glycereth-26 as a skin-softening emollient. Alcohol, used at a controlled level typical in Su:m37 formulations, aids rapid absorption and leaves a lightweight, non-sticky finish despite the serum's rich active payload. The formula is free of synthetic fragrance, making it accessible even for skin that reacts to perfumed prestige serums. At $157 for a 50 ml bottle, the Fleur Regenerative Serum is positioned as a premium anti-aging investment for users who have exhausted mid-tier options and require the skin-normalizing depth of fermentation science. Its elasticity-first focus and barrier-strengthening ceramide content make it most rewarding for mature, dry, or dullness-prone skin types that prioritize structural skin health over acute spot-treatment actives.

Technical Specifications

Price$157
Ease Of UsePress pump with a measured single dose per application; a straightforward single-step formulation appropriate for experienced K-beauty users seeking a premium anti-aging serum
Bottle Size50
Skin TextureRich serum-essence hybrid with a subtle slip and fast absorption; leaves a satin-smooth, lightly cushioned finish suited to mature or dry skin types
Sebum Control4
Fragrance Free Yes
Gentle Formula Yes
Pigment Fading5
Value For Money6
Hydration Level8
Non Comedogenic Yes
Pore Refinement5
Brand ReputationSu:m37 is LG Household and Health Care's prestige fermented K-beauty label, anchored by over a decade of fermentation science and consistent editorial recognition from Vogue Korea and Elle
Calming Efficacy5
Retinol EfficacyNone
Clinical Evidence No
Peptide ComplexityNone explicitly disclosed; formula concentrates on fermentation-derived bioactives including Purity Ferm and Orchid Y Complex rather than synthetic peptide actives
Firming Performance8
Niacinamide Percent0.5
Centella Cica Content No
Pdrn Or Exosome Content No
Ceramide Barrier Repair Yes
Hypoallergenic Testing No
Layering CompatibilityApplies smoothly after a toner; slightly heavier consistency than a typical essence means it performs best as the last serum step before moisturizer and SPF
Azelaic Or Transexamic Acid No
Niacinamide ConcentrationSub-brightening cosmetic dose; serves as a skin-tone-supporting antioxidant rather than a primary brightening active in this regenerative formula

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