While Paula's Choice products are fragrance-free, each product can have a unique scent due to its ingredients. The scent of the CLINICAL PRO Retinaldehyde Treatment that some may notice is from the combination of ingredients it contains. It dissipates quickly after application. The perception of smell can vary greatly between individuals, so what one person notices, another may not notice at all. Many customers find that they quickly get used to the unique scents of Paula's Choice products and that the benefits outweigh any potential drawbacks. Learn more about fragrance-free skin care.