For 12 years, we have developed a patent of combining microcomputer technology with our own technology to solve skin problems with ??icrocomputer high frequency in-depth clean machine??and other beauty equipments, such as 2-in-1 photodynamic therapy set, skin scrubber, etc. We insist in using natural herbal plant extracts, YT4-Youth Switch Natural Herbal Skin Care Series, is your best choice for your skin care life.
Our products have passed the test of SGS and awarded ??he national product quality guarantee golden award?? No matter the products??design, colors and logo, etc, we provide the specialized design service to satisfy our customers.
We have more and more partners in Taiwan, and promoting our products to international market actively.
We refuse chemical materials and only use natural herbs.
YT4 insists its principles:
Supreme natural plant extracts
Pure herbal formula without any burden
Molecular technique production for good absorption
Strict quality control to ensure product quality ... 
Taiwan