Retinol serum specifically for anti-aging care. - Brand: ArtNaturals - Product Name: Retinol Renew Serum - Contents: 1 FL OZ (30 mL) - Features: Anti-aging care, skin improvement - How to use: After cleansing, apply an appropriate amount to the face, neck, and décolletage. Expiration date: 2027.5 Thank you for viewing. Purchased in May from iHerb. Used about twice. The remaining amount is up to the line indicated by the pen. For those who don't mind minor details. No price reduction. #Retinol #iHerb #AdvancedClinical