Offer is valid from 1 January to 31 December 2025. Valid for first time customers above 21 years old. Valid for Singaporeans, Singapore PRs & Work Permit holders with at least 6 months validity only. Strictly by appointment booking. Treatment sessions are not shareable and transferable. One trial purchase per customer. Not valid with other promotions, discounts and/or vouchers. Not exchangeable for other services and products. Valid at all Oriental Hair Solutions outlets.