Ugly Duckling 100.21 Intense Pearl Blonde Toner. Fastest Acting Toner in US without exception. Toner contains a special booster to release yellow pigments from hair & tone the hair a brilliant ultra white blonde. Gives vivid and intense color results. For salon use only. Enriched with Argan oil to ensure exceptional hair quality and shine. This intense pearl blonde toner gives a pleasant floral fragrance, and accurate color results. Extra large value pack (3.5 oz) permits 2 full head colorings on short hair or 1 full head coloring on long hair. For best results, prelighten hair to level 9/10 before toning. Use with 20 Vol developer. 1+ 2 mix