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[Anti-aging SPF50] Roundlab Birch Juice Moisturizing Sun Serum 50ml

[Anti-aging SPF50] Roundlab Birch Juice Moisturizing Sun Serum 50ml

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SPF 50 · Broad-Spectrum · Daily Anti-Aging

Weightless SPF 50,
with a serum underneath.

Birch Juice, Vegan PDRN and Hyaluronic Acid deliver broad-spectrum protection, deep hydration and daily anti-aging care — no white cast, no grease, no compromise.

SPF 50 broad-spectrum 73% hydrating essence Vegan PDRN Zero white cast Sensitive-skin tested
See the formula
★★★★★ 4.7 Excellent · Loved by 32,000+ Glowesty customers

Sunscreen shouldn't feel like a trade-off.

Most SPFs make you choose: protection or comfort. A chalky white cast, a greasy weight, or skin that feels tight by noon. This one refuses the compromise — it shields like a sunscreen and cares like your favorite serum, so daily light exposure never undoes your skincare.

Birch Juice Sun Serum — 3-in-1 daily protection and care
The formula

Three actives. One drop.

A skincare-grade blend that goes to work the moment it shields — chosen to hydrate, condition and firm.

01 — Hydrating base

Birch Juice

Mineral-rich sap tapped straight from birch trees. As the lightweight, watery base of the formula, it floods skin with fresh moisture and helps calm and soothe.

Soothing hydration
02 — Anti-aging

Vegan PDRN

A plant-derived alternative to traditional PDRN, formulated to help support skin's elasticity for a firmer, smoother, more bouncy-looking complexion over time.

Firmness & elasticity
03 — Moisture lock

Hyaluronic Acid

A hydration magnet that draws water into the skin and helps hold it there — for a plump, dewy, comfortable finish that lasts all day.

Deep, lasting moisture
73% Formulated with a high-concentration hydrating essence — so this is sun protection that doubles as a moisture treatment, never leaving skin tight or dry.
Why you'll reach for it daily

Everything a modern SPF should be.

SPF 50 broad-spectrum

Defends against UVA and UVB, so everyday light exposure doesn't quietly undo your skincare.

73% hydrating essence

High-concentration moisture for deep, long-lasting comfort — skin stays supple, never tight.

Feather-light texture

Absorbs in seconds to a fresh, breathable finish with zero grease and zero heavy feeling.

Zero white cast

Blends clear on every skin tone and sits invisibly under makeup — no ghostly grey finish.

Gentle, daily-use formula

Clinically tested and formulated with sensitive skin in mind, for comfortable everyday wear.

Pipette precision

A controlled-drop applicator dispenses the perfect amount every time — clean and mess-free.

Lightweight, fresh, water-like texture

Like water, not sunscreen — a fresh layer that disappears into the skin.

See it on the skin

Bare skin, then one layer applied.

Drag the slider to compare. The finish is hydrated and luminous — completely white-cast free and makeup-ready.

Before After

Tip: replace --img-before / --img-after in the code with your own real before & after photos.

The routine

Three drops. Every morning.

01

Prep your skin

Apply as the final step of your morning routine, after your serum and moisturizer.

02

Dispense 2–3 drops

Use the pipette to dot the serum evenly across your forehead, cheeks and chin.

03

Smooth & protect

Blend gently until absorbed. Reapply every 2 hours of direct sun exposure.

Round Lab Birch Juice Sun Serum details
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Good to know

Your questions, answered.

Is it suitable for sensitive skin?+
Yes. It's clinically tested and formulated with sensitive skin in mind, using gentle hydrating actives. As with any new product, we recommend a small patch test first.
Does it leave a white cast?+
No. The formula blends in clear on all skin tones and sits invisibly under makeup for a natural, fresh finish.
Can I wear makeup over it?+
Absolutely. It absorbs to a lightweight, non-sticky base, so foundation and makeup go on smoothly right on top.
Is it vegan?+
It's made with a Vegan PDRN — a plant-derived alternative to traditional marine PDRN — for anti-aging support without animal-derived ingredients.
How often should I reapply?+
For continued protection, reapply roughly every 2 hours of direct sun exposure, and after sweating, swimming or towel-drying.
What size is the bottle?+
Each bottle contains 50ml, with a pipette applicator for precise, mess-free daily use.

Give your skin the daily habit it deserves.

Protection, hydration and anti-aging care — in one weightless drop. Feel the difference from the very first morning.

Backed by our 90-day money-back guarantee · Free shipping over $100

*Results may vary depending on individual skin type and condition. This product is a cosmetic and is not intended to diagnose, treat, cure or prevent any disease.

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