Serum - OLAY - Regenerist 3a - 50 ml - Hypoallergenic - All skin types.Discover the OLAY Regenerist 3a serum, a 50 ml hypoallergenic treatment suitable for all skin types. Its light texture penetrates quickly to revitalize and hydrate your skin. The Seller confirms that its products comply with all applicable laws and are only offered if they comply with Joom's policies and European laws on product safety and conformity.