Translation guide
The English word 'serum' can refer to a medical product (like blood serum or antivenom) or a skincare product. Japanese uses different words depending on the context.
The clear liquid part of blood, or a serum used for medical treatment or immunization.
General term for blood serum or antiserum. Used in medical contexts.
This serum is used to treat infectious diseases.
Specifically antiserum, containing antibodies against a particular antigen.
We administer antiserum to neutralize the toxin.
Immune serum; a more technical term.
Immune serum contains antibodies.
A lightweight, concentrated skincare product applied before moisturizer.
美容液 is the standard Japanese word for skincare serum. セラム is a direct loanword and sounds more fashionable or brand-oriented. In daily conversation, 美容液 is safer and more widely understood.