Everyone is different, but typically:
Dryness: 1-2 weeks
Dullness: 2-4 weeks
Acne- 6-12 week
Sensitivity- 3-4 months
Pigmentation- 4-6 months
Fine Lines- 6-12 months
Firmness & Elasticity: 12-18 months
Everyone is different, but typically:
Dryness: 1-2 weeks
Dullness: 2-4 weeks
Acne- 6-12 week
Sensitivity- 3-4 months
Pigmentation- 4-6 months
Fine Lines- 6-12 months
Firmness & Elasticity: 12-18 months