The Duo Set Ref Stockholm by Ref the ideal solution to protect and prepare hair before thermal styling. Consisting of two No.230 sprays, both formulated to offer effective heat protection, this kit includes a 175ml vegan version and a 100ml classic version. Both products are characterized by a light texture and do not weigh down the hair, making the hair soft, manageable and ready for any treatment with a hairdryer or straightener. Thanks to their advanced formula, they help preserve the health of the hair fiber, preventing damage and breakage. Perfect for those looking for professional performance and respectful ingredients, this set guarantees long-lasting results and complete care.