Thai service is added on to any color service.
A formula that is designed to restore protein and moisture in the hair. often the client will wear a cap and be placed under a dryer for 10-20 minutes to increase the speed of penetration.
Any extra or lightener that has to be mixed beyond the normal amount for that particular service will require an extra cost per 40g increments mixed. 40g is the standard for mixing any lightener or color.