Home / Sunscreens / Round Lab Birch Juice Moisturizing Sun Serum SPF 50 (US version)
Round Lab Birch Juice Moisturizing Sun Serum SPF 50 (US version)
By Nur → Last verified 10/23/2026
Price checked 10/23/2026
Price from brand US store, checked 2026-10-23 (Stage 1 dossier): $24.99. The Amazon listing price could not be machine-read — Amazon blocks automated access — so confirm on the retailer's page.
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Key ingredients
These are the ingredients Round Lab highlights for this product, cross-checked against general dermatological and cosmetic-chemistry sources, not a full INCI list.
Fragrance: this formula contains added fragrance.
| Ingredient | What it is | What it does for skin |
|---|---|---|
| Betula Platyphylla Japonica Juice | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| Panthenol | Pro-vitamin B5, which converts to pantothenic acid once absorbed into skin. | Hydrates as a humectant, supports wound healing, and has anti-inflammatory, soothing effects on irritated skin. |
| Sodium Hyaluronate | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| Hyaluronic Acid | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
What the brand says
Round Lab's own marketing claims, not our own findings.
- US OTC sunscreen serum with birch juice and multi-form hyaluronic acid
- Serum-light, dewy, pipette-dosed texture suited to dry and combination skin
Research-Based
Our assessment comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. This product hasn't been hands-on tested yet. See our Methodology for what that distinction means.
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Frequently asked
How much does Round Lab Birch Juice Moisturizing Sun Serum SPF 50 (US version) cost per mL?
$0.50 per mL (currently $24.99 for 50 mL).
Has Round Lab Birch Juice Moisturizing Sun Serum SPF 50 (US version) been hands-on tested?
Not yet. Our assessment for this product comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. See our Methodology for what that distinction means.
What are the key ingredients in Round Lab Birch Juice Moisturizing Sun Serum SPF 50 (US version)?
The ingredients Round Lab highlights for this product include Betula Platyphylla Japonica Juice, Panthenol, Sodium Hyaluronate, Hyaluronic Acid.
Sources
Pricing and availability for this product were verified against the following retailer listings.