alpha-methyl-1,3-benzodioxole-5-propanal

Helional (alpha-methyl-1,3-benzodioxole-5-propanal) is a synthetic aromatic aldehyde widely used in fine fragrance and cosmetic formulations for its distinctive fresh, marine-ozonic scent with subtle floral and woody undertones, reminiscent of fresh sea air and cut melon. It belongs to the methylenedioxy-substituted benzaldehyde family and is valued for its exceptional diffusion and lift in fragrance compositions, making it a popular top-to-heart note modifier. Formulators choose Helional for its ability to impart a clean, modern freshness to aquatic and fougère accords, and it is commonly found in shower gels, shampoos, and fine fragrances; however, it is subject to IFRA restrictions due to its sensitization potential and must be used within regulated usage levels.