Neutrogena Visible Repair Eye Cream vs CeraVe Blemish Control Gel

Retinol and AHA (glycolic acid) together cause excessive irritation and peeling.

Use on alternate nights. Retinol PM one night, AHA the next.

Retinol and BHA (salicylic acid) may cause dryness and irritation when layered.

Use salicylic acid in the morning and retinol in the evening.

Using AHA and BHA together at high concentrations risks over-exfoliation and barrier damage.

Alternate use — AHA one day, BHA the next.

[Class rule] Retinoids and AHAs both accelerate cell turnover. Combined use increases irritation risk.

Use on alternate nights.

[Class rule] Combining AHA and BHA increases exfoliation beyond what most skin can tolerate.

Use on alternate days or choose one.