 
    
    Bath Additive
Japanese Name:
入浴剤
Romaji Name:
nyuuyokuzai
Description
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Bath salts are products added to bathwater to enhance the bathing experience. They often contain minerals, fragrances, and sometimes color, which can help relax muscles, soften skin, and create a soothing atmosphere.
History
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As early as 3000 BCE, the ancient Egyptians, including Cleopatra, used essential oils, milk, and herbs in their baths for skin care and luxury.
In ancient Greece and Rome, people used mineral salts and herbal infusions in communal baths, believing they promoted health and healing.
Traditional Japanese and Chinese bathing customs also included the use of herbs like yuzu, mugwort, and medicinal plants for therapeutic purposes.
In Europe, especially during the Renaissance, scented oils and flower extracts were added to baths among the wealthy.
Epsom salt, discovered in England in the 17th century, became widely used for its soothing and healing properties.
In the modern era, commercial bath additives became popular, including:
Bath salts (e.g. with magnesium sulfate or sea salt)
Bath bombs (invented in 1989 by Lush in the UK)
Bubble baths, milky soaks, and aromatherapy blends