How to apply V light hair bulk?

1. Separate a thin layer of your hair with the black shield

2. Try to evenly place a strand of hair bulk(<0.3g) on your own hair as much as possible

3. Apply the glue evenly to the hair bulk’s roots (5-9mm long) by needle, ensuring the roots are tightly connected with your own hair 

4. Apply glue evenly to the hair bulk by a brush, allowing it to split into natural strands

5. Cure the glue by uv light machine 6-10 seconds 

6. Put down the upper hair layer on the uv light hair extensions