Hair Masks, Spray & Serum Formulation Course Information Course Instructor Soma Datta Author Hair Masks, Spray & Serum Formulations ₹ 3,500.00 Hair Mask, Spray and serum formulation Notes Course Information Course Instructor Soma Datta Author Hair Masks, Spray & Serum Formulations ₹ 3,500.00 Hair Mask, Spray and serum formulation Notes