Discover our complete collection of Hoyu Bigen Speedy Hair Colour, specially formulated to deliver quick, reliable grey coverage in just 10 minutes. Bigen Speedy offers ammonia-free, easy-to-apply cream colours enriched with 6 natural herbal extracts to nourish, protect, and moisturise your hair from root to tip. Each pack is economical and resealable, so you can use only what you need.