OLAPLEX for "AT Home" Hair Treatments between Salon visits to Repair Coloured Hair Each of the OLAPLEX products featured in the OLAPLEX holiday hair fix can be used as stand alone treatments or in the following sequence: OLPALEX no. 3 pre-shampoo treatment, OLPALEX no. 4 cleansing shampoo, OLAPLEX no. 5 Bond Conditioner and OLAPLEX no. 6 Leave in conditioner to hydrate and eliminate frizz.