About United States:Y&S Brand, With 20 years experience of the research study and the manufacture of nail art items, Y&S has 300 regular colors (consisting of pure, holographic, fluorescent and
glitter colors) 205 temperature altering colors, builder gels, manicure accessories, nail clothes dryer lamp and nail tools. That is because the environment temperature is relatively continuous, so the color is not changed throughout this period. You might attempt to put you fingers into warm water and then cool water to inspect the obvious colors altering.
Package Included: 1 color gel nail polish(15ml Each bottle)
Upper part of the color *COLD color under 31 Celsius degrees (87.8 Fahrenheit); Lower part of the color *HOT color above 31 Celsius degrees (87.8 Fahrenheit)
Can be use with the gel base coat and top coat of CND Shellac, OPI, Gelish and SallyHansen and red carpet, etc.
Needs to cure under the Professional UV/LED light nail dryer lamp(3w, 9w, 12w 36w, 48w etc.)
14 to 21 days long wearing when applied and cured properly.