ROUND LAB Birch Juice Moisturizing Sun Serum SPF 50 — 1.69 fl oz, Hydrating, No White Cast

ROUND LAB Birch Juice Moisturizing Sun Serum SPF 50 is a featherlight, hydrating sunscreen-serum that delivers broad-spectrum SPF 50 protection with a non-greasy, no white-cast finish.

This multi-tasking Korean formula blends sun protection with skin-care ingredients—73% hydrating essence, hyaluronic acid and vegan PDRN—so you get moisture and defense in a single, airy step. It absorbs quickly, layers easily under makeup, and is designed to leave skin comfortable and luminous instead of chalky or sticky. The fragrance-free composition makes it suitable for sensitive skin types seeking strong UV protection without heavy residue.

How does this sunscreen feel on the skin?

The texture is serum-light and watery, created to feel almost weightless after application. It spreads smoothly, sinks in fast, and leaves a natural, breathable finish rather than an oily or powdery film.

• 73% hydrating essence for immediate slip and moisture
• Hyaluronic acid for visible plumping and lasting hydration
• No white cast—suitable for a range of skin tones
• Non-sticky finish that layers with makeup

What sun protection and safety does it provide?

The product offers SPF 50 PA ++++ broad-spectrum coverage to shield skin from UVA and UVB rays. It’s fragrance-free and formulated to rinse off with your regular cleanser, and applies gently around the delicate eye area without stinging.

• SPF 50 PA ++++ — high level of UV defense
• Fragrance-free, minimizing irritation risk
• Designed to wash off with standard face cleansers
• Suitable for daily outdoor exposure and travel

How does it combine skincare benefits with sun care?

ROUND LAB pairs sunscreen filters with active skincare ingredients so the product acts like both a serum and a sun protector. Vegan PDRN is included to aid visible skin resilience while hyaluronic acid locks in moisture for a smooth, dewy surface.

• Vegan PDRN supports skin revitalization and smoothness
• Hyaluronic acid provides multi-depth hydration
• Formulated to improve texture and maintain luminosity
• Can replace a separate serum step for simplified routines

Can I wear it under makeup and while traveling?

Yes—its thin, non-greasy finish makes it an excellent base under foundation or BB cream. The compact 1.69 fl oz size and lightweight feel also make it a convenient travel companion for long days out or festival use.

• Fast-absorbing base for makeup application
• Portable bottle fits in travel kits and purses
• Comfortable for extended outdoor activities
• Reap hydration and protection in one step

Who is this for? This sun serum suits anyone who wants high-factor UV protection without the weight of traditional sunscreens—especially those with normal, combination, or sensitive skin who prefer fragrance-free formulas. It’s a practical choice for morning routines that need a hydrating base under makeup, travelers who want compact sun care, and skincare-minded users who appreciate active ingredients like hyaluronic acid and vegan PDRN integrated into their SPF.

Ingredients

Water, Butyloctyl Salicylate, Dipropylene Glycol, Benzotriazolyl Dodecyl p-Cresol, Ethylhexyl Methoxycrylene, Vinyl Dimethicone, Tripropylene Glycol, Sorbitol, 1,2-Hexanediol, Silica, Diethylhexyl 2,6-Naphthalate, Aminomethyl Propanol, Betula Platyphylla Japonica Juice, Diglycerin, Behenyl Alcohol, Pentylene Glycol, Polyglyceryl-3 Methylglucose Distearate, Panthenol, Butylene Glycol, Poly C10-30 Alkyl Acrylate, Dimethiconol, Polyphenylsilsesquioxane, Dimethicone/Vinyl Dimethicone Crosspolymer, Tromethamine, Hydroxyacetophenone, Polyacrylic Acid, Palmitic Acid, Stearic Acid, Artemisia Annua Extract, Methylpropanediol, Polyether-1, Sphingomonas Ferment Extract, Sodium Stearoyl Glutamate, Polyacrylate Crosspolymer-6, Bacillus Ferment, Sodium Hyaluronate, Glycerin, Anthemis Nobilis Flower Oil, Pinus Sylvestris Leaf Oil, Aloe Barbadensis Leaf Extract, Dioscorea Japonica Root Extract, Ethylhexylglycerin, Laminaria Japonica Extract, Ulmus Davidiana Root Extract, Viola Mandshurica Flower Extract, Glyceryl Glucoside, Arginine, Caprylic Acid, Cetearyl Alcohol, Cetearyl Olivate, Sorbitan Olivate, Hydrogenated Lecithin, Betulin, Carbomer, Hydroxypropyltrimonium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate, Sodium DNA, Hyaluronic Acid, Glycine, Glutamic Acid, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Potassium Hyaluronate