Birch Juice Moisturizing Sun Serum SPF 50
What it's good for
Key actives from our research database. Click any to read the full evidence dossier.
A high-efficiency UVB filter behind many elegant high-SPF Korean and European formulas. It contributes strong burn protection without requiring the heavier filter load of less efficient UVB absorbers.
Good for: Sun protection
A UVA filter best known as Mexoryl SX. It adds protection against the wavelengths associated with photosensitivity, pigmentation, and photoaging, but it works as one member of a broader filter blend.
Good for: Sun protection
A modern UVA filter common in Korean and European sunscreens. It fills the long-wave UVA gap that UVB-focused filters cannot cover and is valued for remaining stable during sun exposure.
Good for: Sun protection
A polymeric UVB filter used to build lightweight, silky sunscreen textures. It supports SPF while its silicone backbone helps the formula spread into an even protective film.
Good for: Sun protection
A modern broad-spectrum filter that covers both UVA and UVB and stays stable in sunlight. It is one reason many Korean and European sunscreens can combine high protection with a lighter feel.
Good for: Sun protection
A pure hydrator that holds water in your skin. Makes skin look plumper and smoother almost immediately.
Good for: Hydrating
The "salmon DNA" trending in K-beauty and Korean clinics. Strong wound-healing pedigree translated into anti-aging. Speeds repair after lasers/microneedling, smooths fine lines, and brightens. Often layered with vitamin C and niacinamide. Worth knowing: salmon- or trout-derived PDRN has much stronger clinical evidence than plant ("phyto") PDRN, and the dose matters more than the marketing. Favor products that list a real PDRN concentration (roughly 1,000+ ppm) over big headline numbers on plant-derived versions.
Good for: Barrier repair, Anti-aging
Evidence behind the ingredients
Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.
A high-efficiency UVB filter behind many elegant high-SPF Korean and European formulas. It contributes strong burn protection without requiring the heavier filter load of less efficient UVB absorbers.
Serpone N. Sunscreens and their usefulness: have we made any progress in the last two decades? Photochemical & Photobiological Sciences. 2021;20(2):189-244 — review of sunscreen-filter photochemistry, spectral coverage, stability, and formulation.
Sobanska AW, Pyzowski J. Quantification of sunscreen ethylhexyl triazone in topical skin-care products by normal-phase TLC/densitometry. ScientificWorldJournal. 2012;2012:807516.
A UVA filter best known as Mexoryl SX. It adds protection against the wavelengths associated with photosensitivity, pigmentation, and photoaging, but it works as one member of a broader filter blend.
DeLeo VA et al. A new ecamsule-containing SPF 40 sunscreen cream for the prevention of polymorphous light eruption: a double-blind, randomized, controlled study in maximized outdoor conditions. Cutis. 2009;83(2):95-103.
Fourtanier A, Moyal D, Seite S. Sunscreens containing the broad-spectrum UVA absorber, Mexoryl SX, prevent the cutaneous detrimental effects of UV exposure: a review of clinical study results. Photodermatology, Photoimmunology & Photomedicine. 2008;24(4):164-174.
A modern UVA filter common in Korean and European sunscreens. It fills the long-wave UVA gap that UVB-focused filters cannot cover and is valued for remaining stable during sun exposure.
Ye F et al. Ultrafast excited-state energy dissipation pathway of diethylamino hydroxybenzoyl hexyl benzoate (DHHB) via the nanoparticles. Photochemical & Photobiological Sciences. 2023;22(9):2133-2142.
Serpone N. Sunscreens and their usefulness: have we made any progress in the last two decades? Photochemical & Photobiological Sciences. 2021;20(2):189-244 — review of sunscreen-filter photochemistry, spectral coverage, stability, and formulation.
+−4 more ingredients
A polymeric UVB filter used to build lightweight, silky sunscreen textures. It supports SPF while its silicone backbone helps the formula spread into an even protective film.
Serpone N. Sunscreens and their usefulness: have we made any progress in the last two decades? Photochemical & Photobiological Sciences. 2021;20(2):189-244 — review of sunscreen-filter photochemistry, spectral coverage, stability, and formulation.
Bens G. Sunscreens. Advances in Experimental Medicine and Biology. 2014;810:429-463 — review of organic and inorganic sunscreen filters, their spectral roles, formulation, and safety considerations.
A modern broad-spectrum filter that covers both UVA and UVB and stays stable in sunlight. It is one reason many Korean and European sunscreens can combine high protection with a lighter feel.
Serpone N. Sunscreens and their usefulness: have we made any progress in the last two decades? Photochemical & Photobiological Sciences. 2021;20(2):189-244 — review of sunscreen-filter photochemistry, spectral coverage, stability, and formulation.
Medeiros TS et al. Bemotrizinol-Loaded Carnauba Wax-Based Nanostructured Lipid Carriers for Sunscreen: Optimization, Characterization, and In vitro Evaluation. AAPS PharmSciTech. 2020;21(8):288.
A pure hydrator that holds water in your skin. Makes skin look plumper and smoother almost immediately.
Karabat MU, Tuncer MC. Effects of hyaluronic acid on skin at the cellular level: a systematic review. Rev Assoc Med Bras. 2025;71(8):e20250208. — Systematic review of 45 studies found low-molecular-weight HA stimulates keratinocyte proliferation and migration while high-molecular-weight HA drives skin hydration, supporting topical HA as an effective skin-hydrating and barrier-supporting ingredient.
Bravo B et al., Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence, Dermatology and Therapy 2022;12(12):2657-2680 — HA-based cosmeceuticals reliably improve hydration and signs of skin aging
Lee SG et al., Hyaluronan Oligosaccharides Improve Rosacea-Like Phenotype through Anti-Inflammatory and Epidermal Barrier-Improving Effects, Annals of Dermatology 2020
The "salmon DNA" trending in K-beauty and Korean clinics. Strong wound-healing pedigree translated into anti-aging. Speeds repair after lasers/microneedling, smooths fine lines, and brightens. Often layered with vitamin C and niacinamide. Worth knowing: salmon- or trout-derived PDRN has much stronger clinical evidence than plant ("phyto") PDRN, and the dose matters more than the marketing. Favor products that list a real PDRN concentration (roughly 1,000+ ppm) over big headline numbers on plant-derived versions.
Lee D et al., Skin Regeneration and Barrier-Improvement Efficacy of Polydeoxyribonucleotide Isolated from Panax Ginseng Adventitious Root, Molecules 2023;28(21):7240 — plant-derived PDRN promoted keratinocyte/fibroblast proliferation and strengthened barrier function
Lee S, Won KH et al., A Mixture of Topical Forms of Polydeoxyribonucleotide, Vitamin C, and Niacinamide Attenuated Skin Pigmentation and Increased Skin Elasticity by Modulating Nrf2, Molecules 2022;27(4):1276 — topical PDRN + Vit C + niacinamide reduced melanin and improved elasticity in UV-B model, comparable to hydroquinone
Squadrito F et al., Polydeoxyribonucleotide: A Promising Biological Platform to Accelerate Impaired Skin Wound Healing, Pharmaceuticals (Basel) 2021;14(11):1103 — review documenting PDRN activation of adenosine A2A receptors, VEGF release, and accelerated wound healing across diabetic, thermal, and ischemic models
Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.
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