Brand from United States: OPI. OPI has launched a new hand and foot care system, Pro Spa, developed in collaboration with dermatologists.OPI Pro Spa is the only professional salon skincare system that incorporates ingredients and technologies used in facial care into hand and foot care.In addition to shea butter and cocoa butter, which moisturise the skin with ingredients similar to sebum, the system uses Kupuaçu butter, which is highly compatible with the skin, to keep the skin hydrated for a longer period of time and smooth and condition the skin.Peptides to keep the skin plump and resilient, protein-rich hydrolysed keratin strengthens the nails while moisturising, and a veil of moisture protects the dry hand skin and sweet skin area.It can be used not only for morning and evening care, but also as an easy total hand and nail care product after housework or when on the go.Hydrolysed keratin: keratin is a protein found in the stratum corneum of the epidermis, hair and nails, etc. Hydrolysed kera