
Lithothamnion Calcareum Extract
A natural mineral-rich extract derived from red algae that strengthens nails and provides natural color pigmentation while supporting the vegan formula.
Opi
(VAT incl.)
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This 15ml OPI Nature Strong polish is designed for people who want durable, long-lasting color with an ocean-inspired shell tone. The eco-conscious formula is meant to deliver salon-quality results while being gentler on nails and the environment.
Get ocean-inspired strength with this 15ml nail polish from OPI's Nature Strong collection, featuring a beautiful shell-toned shade that delivers long-lasting color and durability. This eco-conscious formula provides salon-quality results while being kind to your nails and the environment.
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Estimated delivery: 1–3 business days
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A natural mineral-rich extract derived from red algae that strengthens nails and provides natural color pigmentation while supporting the vegan formula.

Vitamin E that acts as an antioxidant to protect nails and maintain the polish's integrity during wear.

A natural mineral powder that provides texture and helps the polish adhere evenly to nails for a smooth, long-lasting finish.
1. Start with clean, prepped nails for proper adhesion. 2. Shake bottle well to mix pigments evenly and avoid streaks. 3. Start by painting the edge of your nail with color, then sweep a thin layer across the full nail. Repeat step for a second coat. Let dry for 1-2 min between coats. 4. Finish with Nature Strong Vegan Top Coat: paint the edge first, then sweep a thin layer across the full nail and allow to dry. Pro tip: While a base coat isn't needed, you can apply Nature Strong Vegan Base Coat first to set the foundation for color. Apply the same way: edge first, then a thin layer across the nail. Let dry 1-2 min before color.
Specs last updated: June 16, 2026
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