1. The main working principle of fiber expansion? Disposable?

Hair fiber is the third generation powder which imported from Japan. When you spray the hair fiber onto your thin hair, the hair powder can stick on the surface of your hair through strong electrostatic and adsorption. By this way, it occurs an appearance of fuller and thicker hair in only few seconds. It is temporary. You just need to wash out with shampoo.

2. Is fiber windproof? Is it waterproof? Does it prevent sweating? Sweating? Can swimming be used?

Hair fiber can still work under small wind, small rain and sweat. No hair fiber brand can do water proof so far in the market. If there is heavy rain, we consider you will also take umbrella out！Meanwhile, we do not suggest you to go to swimming with hair fiber on your hair.

3. How long can fibers last and can they sleep?

It can last for the whole day until your wash your hair. It can also be held when you are sleeping. Normally, hair fiber will not fall out on the pillow.

4.Can fiber baldness be used?

It can not work on boldness. Our hair fiber is the third generation powder which is imported from Japan. It is with strong electrostatic and adsorption. Hair powder will stick onto the surface of hair, to make an appearance of fuller and thicker hair in few seconds.

5. Is the fiber organic? Is it natural? Is there any animal testing?

All the hair fiber ingredients are from natural plants. And they are all organic. There is no animal testing. If you need, we can offer an animal testing declaration for you.

6.Does fiber have any side effects on the scalp? Will it itch or cause allergies after use?

Since our hair fiber is all from natural plants. It will not do harm to hair and scalp. It will not occur allergy.

7.How long does the customer use a 25g bottle of fiber?

It depends on how thin your hair is and how often you use. If you use every day, one bottle can be used for about 2 months.

8.Can fiber be used by both men and women?

It works and suitable for both man and women. Cover hair loss and make hair be fuller in few seconds.

9. Can long-term use of fibers promote hair growth?

Long-term use cannot actually make hair grow, because the hair fiber is a one-time physical effect.It can not work on boldness. It is with strong electrostatic and adsorption. Hair powder will stick onto the surface of hair, to make an appearance of fuller and thicker hair in few seconds.

10.What is the difference between SEVICH fiber and TOPPIK, CABOKI brands?

First of all, each factory has its own color definition, so the color of each brand's hair is a little different. Secondly, SEVICH's bottle size is marked as 25g, but Toppik's mark is 27.5g. In fact, the powder inside is about 23g-25g. Thirdly, the bottle shapes of SEVICH and Caboki are different. Finally, Caboki uses cotton fibers, Toppik uses keratin fibers, and SEVICH has both.