We all link too indulge in a fizzy fragrant bath bomb to enrich our skin while we relax in the bath. But occasionally when you drain the water to find colour stains left behind on your bath surface, especially that ring of colour where the water level was. If you don’t clean it instantly, it can build up and become harder to remove, requiring chemical cleaners to get rid of.

The best way to not get stains if you are making your own bath bombs is do not use any colourant. It may be stating the obvious but no colourant no stains, but if you are making them for the kids then colour it is.

5 Tips To Stop The Stains On Your Bath

1 Avoid Bright Colours

You do not need really dark colours in the you bombs because the brighter and deeper they are the more likely they are stain your bath. If you use the wrong types of dyes you could end up with permeant marks.

Always use light colours and in very small amounts

keeping colour stains of the bath 2 Natural Vs Artificial Colours

Yes some synthetic colourants such as “lake” colours can leave stains in your bath. These coloured chemicals can have their own medical and environmental issues as well. Thats is why people prefer natural organic bath bombs like we make at Luxury Organics.

However, natural colouring ingredients like micas, clays, and charcoal aren’t exactly your biggest friends in this situation either. Natural colours can be equally responsible, if not more, for leaving a ring of colour behind in your bath. What is important is the water-solubility of the colourant, whether natural or artificial. Some natural colours are water-soluble. If you were to make a rose bath bomb using rosehip extract, which is a water-soluble colouring, you won’t have to worry about stains.

Water soluble liquid colourants are the best way to avoid staining as much as you can. Powders and natural colours are more prone to staining. Comparing Colourants, a guide to the good and bad.

3 Use Small Amounts Of Colour

A little goes a long way, and in this instance this is very true when using a colourant for your bath bombs. The risk of staining is increased the more colourant you use, just use enough to colour the water. From experience nobody likes the water to be dark with colour, especially if you can’t even see the bottom of the bath. When the colour is that deep it seems to make it unclean and a little unnerving for children. Children do enjoy bright colours but for that you should avoid clays, charcoal or mica, as all of them can stain if used too much.

4 Add an Emulsifier

Use polysorbate 80 to help the colourants dissolve seamlessly into the bath water rather than making a layer on top of the water. If your bath bomb does react like this then that layer of colourant is likely to leave a mark on the bath once you drain the water. Use a emulsifier so the dry and wet ingredients mix together completely, this will reduce the risk of any staining on your bath.

5 Clean The Bath Immediately

It may sound obvious, or it may not because when you drain the bath there are no marks at all. The problem is that no marks on the bath does not mean that there is nothing left on the side of the bath. Some of the ingredients in the bath bombs like bicarbonate of soda and citric acid can become very hard when dry. This is because all of the bath bomb ingredients haven’t broken down completely in the time you were in the bath.  The actual structure of citric when dry is a very jagged sharp edge particle, try wiping this of the bath when its dry and it will start to scratch the finish of your bath.

Microscopic view of citric acid

So clean the bath straight after, ideally using a micro cloth and your preferred bath cleaning product.


These are some tips that can help you reduce the risk of staining your bath with your homemade bath bombs. There are 2 ways you can guarantee that you do not get any coloured stains in the bath. 1 do not use any colourings. 2 Buy your kids bath bombs from Luxury Organics. All your questions answered about bath bombs.

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