noun which may take the genitive case particle 'no', noun
allergy-free; hypoallergenic
Describes products, environments, or materials that do not cause allergic reactions. Common in marketing and product descriptions.
This cosmetic is allergy-free and safe even for people with sensitive skin.
Using allergy-free bedding reduced my morning sneezing.
Wasei-eigo (Japanese-made English) combining 'allergy' and 'free'. The exact origin is uncertain, but it follows the pattern of other '~フリー' loanwords.