
Rejuran
A microbiome-friendly cream featuring probiotic ferments, hydrolyzed DNA (PDRN), niacinamide, and ceramides to strengthen skin barrier, improve elasticity, and support healthy skin flora. Suitable for sensitive and aging skin.
Humectant that attracts and retains moisture
Humectant and solvent for ingredient delivery
Humectant and preservative booster. Common in K-beauty as a multifunctional alternative to traditional preservatives.
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.
The key active ingredients in Biome Healer Youth Formula Cream by Rejuran include Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Sea Daffodil Extract (Antioxidant and skin-soothing botanical extract), Acne Bacteria Ferment Extract (Probiotic extract that balances skin microbiome), Streptococcus Thermophilus Ferment (Probiotic-derived ingredient that supports skin barrier). Drawing on K-beauty research and community consensus, key ingredients show 82% effectiveness for acne in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Biome Healer Youth Formula Cream is a Korean moisturizer by Rejuran. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Biome Healer Youth Formula Cream are comedogenic ingredient ratings, oil content, and finish type. This moisturizer contains 15 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Biome Healer Youth Formula Cream by Rejuran is sold through authorized retailers and the brand itself. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.
Eight Korean moisturizers sorted by what your skin actually is, not by hype. Gel creams for oily and combo, richer picks for dry, and fragrance-free options for sensitive and barrier-stressed skin, each justified by its real ingredient list.
A moisturizer is a delivery system with three jobs, and the label rarely says which one you are buying. How to tell damaged from dehydrated, read the ingredient list, and pick accordingly.