Provides a glossy manicure for up to 7 days when used with the matching top coat. Plant-derived and naturally derived ingredients are combined with film-forming nitrocellulose for an even layer of polish. The vegan formula contains no animal-derived ingredients or by-products and air-dries without a UV or LED lamp.
OPI Nature Strong Knowledge is Flower combines a polished manicure with a vegan formula using plant-derived and naturally derived ingredients. With the matching Nature Strong top coat, it provides a glossy, air-drying coating with up to seven days of wear, without a UV or LED lamp.
Nitrocellulose (INCI: Nitrocellulose) is a film-forming ingredient that helps create a continuous polish layer on the nail. The formula also contains ethyl acetate and butyl acetate. The vegan approach means a formula with no animal-derived ingredients or by-products.
Suitable when you want colour and a vegan formula with plant-derived ingredients. Apply the polish and allow it to air-dry without a UV or LED lamp.
For a polished manicure with naturally derived ingredients, OPI Nature Strong Knowledge is Flower offers a vegan formula. This version features a pink shade.
The vegan formula uses plant-derived and naturally derived ingredients. It contains no animal-derived ingredients or by-products.
The INCI list includes Ethyl Acetate, Butyl Acetate and Nitrocellulose. The full ingredient list and listed colourants appear at the end of the description.
Thoroughly mix the pigment in the bottle before use and prepare clean natural nails. If using Nature Strong base coat, allow its thin layer to dry before applying colour.
Prepare clean natural nails and shake the bottle to mix the pigment. Apply two thin coats of colour, capping the free edge. Finish with Nature Strong Top Coat and allow to air-dry.
Cap the free edge with each colour coat and brush a thin layer over the whole nail surface. After the second colour coat, finish with Nature Strong Top Coat. To refresh your manicure, remove the old coating with nail polish remover and repeat the preparation steps.
Knowledge is Flower belongs to the OPI Nature Strong range, where nail colours are linked to imagery from nature and naturally derived ingredients. This version features a pink shade. It adds to the range's colour palette and brings nature-inspired colour into everyday manicures.
In the Nature Strong concept, colour and formula choice are connected. The range uses plant-derived and naturally derived ingredients, while the vegan approach means no animal-derived ingredients. Its nature-inspired name complements a product concept that pays attention to ingredient origins when creating decorative nail colour.
Everyday use follows a familiar polishing ritual. Two thin coats of colour are complemented by Nature Strong top coat, and the finish is left to air-dry. No UV or LED lamp is needed. This lets you focus on your chosen colour and its application, combining a nature-inspired palette with a practical manicure system.
Yes. Nature Strong is formulated without animal-derived ingredients.
No. This nail polish air-dries.
Finish your manicure with Nature Strong Top Coat.
Butyl Acetate, Ethyl Acetate, Nitrocellulose, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Alcohol, Isopropyl Alcohol, Stearalkonium Bentonite, Sorbic Acid, Diacetone Alcohol, Hexanal, Lithothamnion Calcareum Extract, Phosphoric Acid, Mannitol, Solum Diatomeae/Diatomaceous Earth/Terre de Diamtomees, Zinc Sulfate, Silica, n-Butyl Alcohol, Tocopherol, Red 7 (CI 15850), Red 30 (CI 73360), Red 34 (CI 15880), Titanium Dioxide (CI 77891), Yellow 5 (CI 19140), Ferric Ammonium Ferrocyanide (CI 77510).
OPI is an American nail colour and care brand with roots in Los Angeles and professional nail services. George Schaeffer and co-founder Suzi Weiss-Fischmann helped develop the business from a dental materials supplier into a nail product manufacturer. Its experience with acrylic nail systems was later complemented by nail colour and care products.
OPI offers different ranges for salon services and home manicures. When choosing a coating, distinguish between traditional nail polish, long-wear polish with a gel-like finish and professional gel polish. Their application, drying or curing, and removal methods differ.
OPI is recognised for its varied colour palette, collections and distinctive shade names. Neutrals, pinks, reds and darker colours, alongside different shimmer effects, provide options for everyday manicures and special occasions. Your choice depends on both the colour and the type of coating you prefer.
Individual ranges feature technologies developed for different purposes. Reformulated Infinite Shine uses Pre-Cured Gel Technology, while the new generation of Nail Envy strengtheners features Tri-Flex Technology. These properties apply to specific formulas, so check the individual product description before purchasing.
Nail Lacquer is OPI's traditional polish range for manicures without lamp curing. It suits people who enjoy changing their nail colour and using conventional nail polish remover. Compare shades and finishes in the classic nail polish category.
Infinite Shine is a long-wear polish system with gel-like shine that does not require a UV or LED lamp. The reformulated colour is designed to work with the corresponding Infinite Shine base and top coats. Remove the coating with nail polish remover according to the product instructions.
GelColor is a professional gel polish system that requires curing in the appropriate lamp. GelColor Intelli-Gel technology helps the coating self-level during application. Browse the gel polish category for professional nail coatings. Select the base coat, colour, top coat and lamp according to the requirements of the system being used.
Nail Envy strengtheners help strengthen nails and protect against peeling and splitting. The new-generation Tri-Flex Technology formula contains biotin, calcium and vitamins A, C and E. OPI ProSpa Nail & Cuticle Oil complements the routine by helping soften cuticles. Choose nail care products according to the condition of your nails and each product's directions.
OPI offers options for nail professionals and people who care for their nails at home. Nail Lacquer and Infinite Shine suit manicures without a lamp, GelColor is intended for professional services, and Nail Envy and cuticle care products complement regular nail care. Start with your preferred coating and care needs, then select a shade and the appropriate supporting products.
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