Round Lab Birch Juice Moisturizing UV Lock SPF 45

Your morning moisturizer and sunscreen in one step. Chemical SPF 45 with zero white cast — built on Korean birch sap, niacinamide, and double hyaluronic acid so skin stays genuinely hydrated and treated while it's protected. Disappears completely into skin on every complexion.

Why people use it

• Zero white cast — chemical filters are fully transparent on skin, making this one of the better daily SPF options for medium to deep skin tones where mineral formulas can cast grey or ashy
• Replaces your morning moisturizer — birch sap, niacinamide, and double HA provide real hydration alongside SPF 45, so you skip one product without skipping anything your skin needs
• Niacinamide supports a more even, refined complexion throughout the day while the UV filters protect it
• Lightweight, fast-absorbing pump formula that layers cleanly under makeup without balling, slipping, or leaving a residue

What's inside

• Korean Silver Birch Sap (Betula Platyphylla Japonica Juice) — the same birch sap in Round Lab's Toner and Cream; naturally rich in amino acids and minerals, used here instead of plain water as the hydrating base
• Niacinamide — supports an even skin tone, reduced pore appearance, and daily barrier support while the SPF does its job above
• Double HA (Sodium Hyaluronate + Hyaluronic Acid) — two molecular weights, surface and deeper, so skin doesn't feel dry under SPF through the afternoon
• Allantoin — calms and reduces visible redness; supports comfortable daily wear for sensitive skin
• Chamomile and Scots Pine Oils — the source of a very light, soft natural scent; subtle enough that most people don't notice it, but worth knowing if you're fragrance-reactive

Good to know

• 1.69 fl oz / 50ml pump — apply as your final AM step; spread over face and neck; give it a minute before makeup
• Chemical UV filters: Avobenzone, Homosalate, Octisalate — no mineral filters, no white cast
• Oxybenzone and octinoxate-free
• Contains natural botanical oils (chamomile, pine) — lightly scented, not fragrance-free
• Reapply every 2 hours during active sun exposure
• Paraben-free, non-comedogenic, dermatologist-tested

Helps prevent sunburn. Used as directed with other sun protection measures, may decrease the risk of skin cancer and early skin aging caused by the sun.

Active ingredients Avobenzone (Butyl Methoxydibenzoylmethane) 2.7%, Homosalate 13.5%, Octisalate (Ethylhexyl Salicylate) 4.5>#/p###

Inactive ingredients Water, Butyloctyl Salicylate, Propanediol, Acrylates Copolymer, Butylene Glycol, Caprylyl Methicone, Polyglyceryl-3 Distearate, Diethylhexyl 2,6-Naphthalate, Niacinamide, Benzotriazolyl Dodecyl P-Cresol, Polymethylsilsesquioxane, Glycerin, Calcium Aluminum Borosilicate, 1,2-Hexanediol, Poly C10-30 Alkyl Acrylate, Pentylene Glycol, Cetearyl Alcohol, Tromethamine, Methylpropanediol, Glyceryl Stearate Citrate, Betula Platyphylla Japonica (Birch) Juice, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Carbomer, Ethylhexylglycerin, Artemisia Annua Extract, Anthemis Nobilis (Roman Chamomile) Flower Oil, Sodium Stearoyl Glutamate, Glyceryl Polymethacrylate, Triethoxycaprylylsilane, Sparassis Crispa Extract, Pinus Sylvestris Leaf Oil, Polyether-1, Dipropylene Glycol, Allantoin, Glyceryl Glucoside, Biosaccharide Gum-1, Tocopherol, Portulaca Oleracea Extract, Sodium Hyaluronate, Hyaluronic Acid, Ascorbic Acid, Padina Pavonica Extract