La Riche Directions Semi-Permanent Hair Color 100ml Tub - Fluorescent Yellow

Fluorescent Yellow Shade - A bold, highlighter-bright yellow that glows under UV/blacklight. Semi-Permanent Formula - Lasts up to 4-6 weeks with smooth fading and no harsh regrowth. UV Reactive - Designed to glow vividly under blacklight, ideal for parties, festivals, and creative styles. Ready-to-Use Cream Dye - No peroxide or developer needed; apply directly to pre-lightened or bleached hair. 100ml Tub - Ideal for full-head application, creative effects, or mixing with other neon shades.