Sir, my age is 26 ,still I have acnes, pimples dark marks on my face, long back ago I consulted with homeopathy doctor, he said use Berberis aquifolium Q for two months, I regularly use that one 10 drops daily with cream, while using this my face free with oil and face become clean, I used this medicine for nearly 3+ months, and stop for 1 month and again used for 3 month, my problem is when I stop's using this my face comes normal position, I mean pimples acnes scars will come again, face become ugly, so please tell me permanent solution for that, or could I use ber beri aquifolium continuously like 2 ,3 years? Is there any problem with using daily this medicine? Please help me.