HairReve Hair Rescue Thickening Serum ships internationally from the Philippines through hairreve.ph, with tracked delivery available to most countries at rates comparable to other international hair-serum brands. At ₱1,399 (roughly $25 USD) per 100 mL bottle, Hair Rescue is priced in line with mid-range international peptide serums, while including FDA notification, DOH-hospital pilot study data, and a chemist-formulated ingredient list not commonly disclosed by mass-market international brands. The upgraded alcohol-free OPTIMA is ₱1,699 per 100 mL bottle.