Botulinum toxin for the treatment of reduction of hair growth
View Patent ↗The use of botulinum toxin for preparing a drug for preventing hair growth is disclosed. A cosmetic method for preventing hair growth is also disclosed.
1. A method for reducing downy hair growth in a female patient from comprising injecting a therapeutically effective amount of botulinum toxin type A to the area situated between the lips and the nose of said patient.
2. The method for reducing hair growth of claim 1 , wherein the method comprises shaving the area between the lips and the nose of the patient prior to administering the botulinum toxin.
3. The method of claim 1 , wherein the effective amount is from 0.05 to 1 LD 50 units of botulinum toxin type A per cm 2 of skin.
4. The method of claim 3 , wherein the effective amount is from 0.1 to 0.5 LD 50 units of botulinum toxin type A per cm 2 of skin.
5. The method of claim 4 , wherein the effective amount is from 0.2 to 0.4 LD 50 units of botulinum toxin type A per cm 2 of skin.
6. The method of claim 5 , wherein the effective amount is 0.3 LD 50 units of botulinum toxin type A per cm 2 of skin.
7. The method of claim 1 , wherein the botulinum toxin type A is A1.
8. The method of claim 1 , wherein the botulinum toxin type A is A2.
9. A method for reducing downy hair growth in a female patient comprising shaving an area of skin on the patient followed by injecting a therapeutically effective amount of botulinum toxin type A to the shaved area.
10. The method of claim 9 , wherein the area of skin is the face, torso, abdomen, gluteal region, armpits, genitocrural region, legs, or arms.
11. The method of claim 10 , wherein the area of the torso is the breasts.
12. The method of claim 9 , wherein the area of the face is the area situated between the lips and the nose, chin, supraorbital ridge, or cheeks.
13. The method of claim 9 , wherein the effective amount is from 0.05 to 1 LD 50 units of botulinum toxin type A per cm 2 of skin.
14. The method of claim 13 , wherein the effective amount is from 0.1 to 0.5 LD 50 units of botulinum toxin type A per cm 2 of skin.
15. The method of claim 14 , wherein the effective amount is from 0.2 to 0.4 LD 50 units of botulinum toxin type A per cm 2 of skin.
16. The method of claim 15 , wherein the effective amount is 0.3 LD 50 units of botulinum toxin type A per cm 2 of skin.
17. The method of claim 9 , wherein the botulinum toxin type A is A1.
18. The method of claim 9 , wherein the botulinum toxin type A is A2.