ROUND LAB Birch Juice Moisturizing UV Lock Sun Cushion SPF50+ Broad-Spectrum, 0.52 oz — Mineral SPF, Hydrating Tone-Up

ROUND LAB Birch Juice Moisturizing UV Lock Sun Cushion is a travel-ready cushion sunscreen delivering SPF50+ broad-spectrum protection with a lightweight, non-sticky finish and a natural tone-up effect.

This compact Korean sun cushion combines a mineral-based UV filter system with hydrating birch sap to protect and soothe the skin throughout the day. Designed for sensitive and reactive skin, the formula uses non-nano zinc oxide to shield skin from UVA and UVB rays while supporting a comfortable, breathable wear. The built-in mirror and sponge applicator let you reapply cleanly over makeup, making it practical for busy days and family use.

How does this cushion protect sensitive and baby skin?

The cushion relies on a mineral UV filter—non-nano zinc oxide—that sits on the surface of skin to provide broad-spectrum defense without penetrating pores. Because it avoids chemical UV actives and harsh additives, it’s well suited for delicate, reactive, or acne-prone skin. Dermatologist testing and a gentle formulation reduce irritation risk while keeping protection reliable.

• SPF50+ broad-spectrum coverage against UVA and UVB
• Non-nano zinc oxide: gentle, non-penetrating mineral filter
• Free from common harsh ingredients and fragrances
• Dermatologist-tested for sensitive and baby skin safety

Will this leave a white cast or feel heavy under makeup?

The cushion is formulated to avoid the chalky, white finish often associated with mineral sunscreens; instead it provides a subtle natural tone-up for a fresh look. Its airy, fast-absorbing texture minimizes greasiness and blends well with light makeup. Reapplication over foundation is tidy thanks to the sponge applicator, keeping coverage even without caking.

• Natural tone-up without visible white residue
• Light, non-greasy texture that absorbs quickly
• Compatible with reapplication over makeup using the cushion sponge
• Leaves a soft, natural glow rather than a heavy finish

How does the product soothe and hydrate while protecting?

Infused with birch juice, the cushion supports skin hydration and offers an instant cooling sensation on application. The formula focuses on calming the skin and reinforcing the skin barrier rather than just masking dryness. Hydration plus mineral protection helps maintain comfortable wear during warmer days or extended outdoor exposure.

• Birch sap for lightweight hydration and calming effect
• Supports skin barrier to reduce reactivity and discomfort
• Non-sticky finish that keeps skin feeling breathable
• Instant cooling sensation on contact with skin

Is this convenient for travel and everyday touch-ups?

The compact case includes a mirror and applicator sponge for clean, on-the-go reapplication without messy tubes or fingers. Its 0.52 oz size fits easily into purses, diaper bags, or carry-ons, making midday protection simple. This makes the cushion a practical choice for busy parents, commuters, and travelers who need reliable sun care throughout the day.

• Compact 0.52 oz cushion with built-in mirror
• Sponge applicator for neat, even touch-ups over makeup
• Travel-friendly and TSA-easy for daily carry
• Ideal for quick reapplication during outdoor activities

Who is this for: The ROUND LAB Birch Juice Moisturizing UV Lock Sun Cushion is suited to anyone wanting strong mineral sun protection in a lightweight, portable format—especially those with sensitive, reactive, or baby-prone skin, people who prefer non-chemical UV filters, and anyone who needs easy reapplication over makeup while traveling or managing a busy day.

Ingredients

Active Ingredient: Zinc Oxide 22% Inactive Ingredient: Water, Butyloctyl Salicylate, Caprylyl Methicone, Methyl Trimethicone, Ethylhexyl Isononanoate, Butylene Glycol Dicaprylate/Dicaprate, Propanediol, Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate, Ethylhexyl Methoxycrylene, Alcohol Denat., Methyl Methacrylate Crosspolymer, Polyglyceryl-6 Polyricinoleate, Triethoxycaprylylsilane, Magnesium Sulfate, 1,2-Hexanediol, Disteardimonium Hectorite, Polyglyceryl-6 Polyhydroxystearate, Hydroxyacetophenone, Artemisia Annua Extract, Polyglycerin-6, Pinus Sylvestris Leaf Oil, Anthemis Nobilis Flower Oil, Dipotassium Glycyrrhizate, Allantoin, Glyceryl Glucoside, Butylene Glycol, Glycerin, Tocopherol, Ascorbyl Palmitate, Betula Platyphylla Japonica Juice, Ulmus Davidiana Root Extract, Aloe Barbadensis Leaf Extract, Dioscorea Japonica Root Extract, Viola Mandshurica Flower Extract, Laminaria Japonica Extract, Glyceryl Caprylate, Sodium Hyaluronate, Hyaluronic Acid, Ascorbic Acid