TRUST ME! REALLY GOOD INFO.
YOU WON’T REGRET!
Here is what the WEBSITE CONTAIN:
Your answer is in #4

Contents:
1 SYMPTOMS
2 CAUSES OF ACNE
2.1 MISCONCEPTIONS ABOUT CAUSES
3 TREATMENTS
3.1 TIMELINE OF ACNE TREATMENT
3.2 AVAILABLE TREATMENTS
3.2.1 Exfoliating the skin
3.2.2 Topical Bactericidals
3.2.3 Topical antibiotics
3.2.4 Oral antibiotics
3.2.5 Hormonal treatments
3.2.6 External retinoids
3.2.7 Oral retinoids
3.2.8 Phototherapy
3.2.8.1 Blue and red light
3.2.8.2 Photodynamic therapy
3.3 Less widely used treatments
3.4 FUTURE TREATMENTS
3.5 Preferred treatments by types of acne vulgaris
4 ACNE SCARS
5 See also
6 References
7 Footnotes
8 External links