Round Lab
Birch Juice Moisturizing Sunscreen UVLock SPF 45+
A lightweight chemical sunscreen providing Broad Spectrum SPF 45+ protection via Avobenzone (2.7%), Homosalate (13.5%), and Octisalate (4.5%). Formulated with the brand's signature Betula Platyphylla Japonica (birch) juice alongside Niacinamide, Glyceryl Glucoside, and Sodium Hyaluronate for hydration. Includes Polymethylsilsesquioxane and Calcium Aluminum Borosilicate for a soft-focus skin finish. Contains two botanical essential oils (Anthemis Nobilis, Pinus Sylvestris) with fragrance allergen potential.
Ingredient Snapshot
40 beneficial ingredients detected with no known safety concerns.
4 ingredients to watch: Butyl Methoxydibenzoylmethane, Homosalate, Roman Chamomile Essential Oil, Scots Pine Needle Oil may cause sensitivity in some skin types.
AI-generated analysis for general information only. It may be incomplete or inaccurate and is not medical advice. Always read the product label and check with a professional about allergies, pregnancy, or any health concern.
Ingredient Details
CautionAvobenzone(Butyl Methoxydibenzoylmethane)
AI analysis
Benefits
- ✓FDA-approved UVA filter (310–400 nm) that prevents UV-induced photoaging and DNA damage
- ✓Key ingredient for achieving broad-spectrum SPF coverage
Potential concerns
- !Photounstable alone — degrades in sunlight without a photostabilizer such as Octocrylene
CautionHomosalate
AI analysis
Benefits
- ✓UVB filter (290–320 nm) providing sun protection against burning rays
- ✓FDA-approved chemical sunscreen with good photostability
Potential concerns
- !Potential weak endocrine activity at high systemic exposure — EU limits use to 7.34%
- !FDA reviewing maximum safe concentrations
CautionAnthemis Nobilis Flower Oil(Roman Chamomile Essential Oil)
AI analysis
An essential oil steam-distilled from the flowers of Roman chamomile (Anthemis nobilis). Used for its calming fragrance and skin-soothing properties. Contains esters of angelic and tiglic acids, plus the anti-inflammatory compound apigenin.
Benefits
- ✓Known skin-calming and anti-inflammatory properties; may soothe redness and irritation
- ✓Contains apigenin, an antioxidant flavonoid with skin-calming benefits
- ✓Provides a soft, floral chamomile fragrance note
Potential concerns
- !Essential oil; potential contact sensitizer that can cause allergic contact dermatitis in sensitive individuals
- !Member of the Asteraceae family; cross-reactivity with ragweed or chrysanthemum allergy is possible
- !IFRA guidelines restrict concentration in leave-on products due to sensitization potential
CautionPinus Sylvestris Leaf Oil(Scots Pine Needle Oil)
AI analysis
An essential oil steam-distilled from the needles and twigs of the Scots pine (Pinus sylvestris). Contains alpha- and beta-pinene, which are potent fragrance compounds but also known skin sensitizers.
Benefits
- ✓Provides a fresh, crisp, forest-like fragrance note
- ✓Alpha-pinene and related compounds have mild antimicrobial properties
Potential concerns
- !Potent fragrance sensitizer; alpha-pinene oxidizes on exposure to air to form highly allergenic hydroperoxides
- !Can cause allergic contact dermatitis; not recommended for sensitive or reactive skin
- !IFRA restricted due to sensitization potential from oxidized pinene
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