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 30 mL bottle, it is priced in line with mid-range international peptide serums, while including FDA registration, DOH-hospital pilot study data, and a chemist-formulated ingredient list not commonly disclosed by mass-market international brands.