COLOR FRESH CREATE is ready to use. Apply COLOR FRESH CREATE on clean pre lightened dry hair. Develop for 20 minutes. Rinse thoroughly until water runs clear. Shampoo and condition as required. If required we recommend the use of Wella Professionals or System Professional Shampoo and Conditioner. Pastel Color Service: Dilute COLOR FRESH CREATE shade with Tomorrow Clear to desired color intensity (e.g. 1:10 or 1:30). Apply evenly on dry or towel dried hair. Leave to develop for (5-10 minutes). Comb evenly through the hair to achieve an even color result. Once desired color is achieved rinse the hair thoroughly until water runs clear. Style hair as usual. Caution: Hair colour can cause severe allergic reactions so please always complete a patch test before using and follow the product instructions. For more Wella allergy advice, please check out their Allergy Alert Test Summary & Questionnaire.