To make bath bombs at home, you typically need:

• Baking soda (sodium bicarbonate)
  
  
• Citric acid
  
  
• Carrier oil (such as almond oil or coconut oil)
  
  
• Fragrance oil or essential oil
  
  
• Cosmetic-grade colour
  
  
• Moulds
  
  
• Optional additives like dried flowers or glitter
  
  

These basic bath bomb supplies allow you to create customised bath fizzers for personal use or small business production.

Fragrance oils are typically used at 0.5% to 2% of the total bath bomb weight, depending on the desired scent strength and safety guidelines.

Always follow recommended usage levels and perform a small test batch before large-scale production.

Yes, many small businesses create and sell handmade bath bombs. When selling commercially, ensure proper ingredient labelling, packaging compliance, and adherence to cosmetic regulations.

Carrier oils are typically used at 1% to 5% of the total formulation. Adding too much oil may reduce fizz performance or cause softness.

Balanced formulation ensures optimal texture and reaction.

Common bath bomb moulds include plastic sphere moulds, silicone moulds, and metal moulds. The choice depends on desired shape and ease of release.

Well-packed moulds help achieve smooth, crack-free bath bombs.