Hello and welcome to healthcaremagic
Acne is the commonest skin problem in young but it behaves in a differently in different individuals. While some may have mild acne only occasionally others may have severe or moderately severe acne, that can erupt continuously, one after the other.
Rater than trying alternative remedies, I would suggest that you schedule another consultation with a
dermatologist and get specific anti-acne treatment
Moderate to severe inflammatory acne has every chance of leading on to post-acne scaring. Therefore the acne problem should be tackled appropriately.
Topical treatment can be in the form of Topical Antibacterials like
Benzoyl peroxide gel/Clindamycin gel and Topical Retinoids e.g Adapalene gel.
Oral antibiotics work well for inflammatory acne and bring about rapid control. These can be doxycycline or
azithromycin or minocycline.
Finally, oral retinoids e.g
Isotretinoin is the best antiacne medications for severe acne or acne unresponsive to traditional antiacne medications.
I would suggest that he visits a dermatologist and get a prescription for his acne before they increase further and start to form marks
regards