hygienic (adj.)

• antiseptic
• aseptic
• beneficial
• benign
• boiled
• bracing
• clean
• constitutional
• good
• healthful
• healthy
• invigorating
• pasteurized
• prophylactic
• pure
• refreshing
• salubrious
• salutary
• sanitary
• sterile
• sterilized
• tonic
• uninfected
• wholesome