Hello
Such preparations can cause skin purging I.e breakouts
Wait for 4 weeks for real benefits but if your skin purge even after 4 weeks then you need to stop using your
vitamin c
Also your anti acne regime might contain retinoids if any can lead to such initial purging which is normal so please be patient with your treatment and stick to your regime
Next Steps
Consult via practo to get a proper skincare routine and treatment
Health Tips
Vitamin c should be ideally used in the morning so you don't use with other skin actives at night