Salts, bicarbonate of soda, and citric acid are core dry ingredients for bath bombs, bath salts, mineral soaks, scrubs, and fizzing bath products. The grade, particle size, and mesh size you choose can affect how the product fizzes, dissolves, feels in use, and performs in the bath.

Correctly sourced, stored, and packaged cosmetic-grade dry ingredients help support consistency from batch to batch and give your formulation the best chance of performing as intended.

• Includes citric acid, bicarbonate of soda, Epsom salts, Himalayan salt, and Dead Sea salt.
• Commonly used in bath bombs, soaks, scrubs, and mineral-led products.
• Useful for texture, fizz, exfoliation, and bath product performance.

Cosmetic clays are popular skincare ingredients used across soap, masks, scrubs, and bath products to add colour, texture, absorbency, and natural appeal. The right clay depends on the product type, how it will be used, and the finish you want to create.

Because clays are natural materials, they should be sourced with documentation that demonstrates their suitability for cosmetic formulations. This includes evidence relating to impurities, heavy metals, and compliance with cosmetic regulations.

• Suitable for dry face masks, soap, scrubs, and selected bath products.
• Used to add colour, texture, absorbency, and natural appeal.
• Includes popular options such as kaolin, bentonite, French clays, and rhassoul clay.

Lye is an essential ingredient in traditional soap making, including cold process soap formulations. For cosmetic use, the correct purity is essential, as it can affect formulation accuracy, soap quality, and the final safety assessment.

Because lye is such a specific soap-making ingredient, it should be sourced, handled, and assessed with the final soap formulation in mind.

• Used in soap-making formulations.
• Suitable for experienced makers developing soap products.
• Best used with a clear formulation and proper safety assessment before sale.

Milk powders are used in bath, soap, and selected skincare formulations where a softer, creamier, or more sensory product feel is desired. They are often chosen for bath milks, soaps, and dry blends where texture and product positioning matter.

• Often used in bath milks, soaps, and creamy dry blends.
• Helps support soft, creamy, sensory product positioning.
• Should be selected with final product type and documentation requirements in mind.

Mica pigments, cosmetic colours, and glitter are used to add colour, shimmer, decoration, and visual appeal to soaps, bath bombs, and other cosmetic products. These ingredients should always be selected with cosmetic suitability, use area, and final product type in mind.

• Commonly used in bath bombs, soaps, and decorative bath products.
• Adds colour, shimmer, visual appeal, and product differentiation.
• Must be suitable for cosmetic use and appropriate for the product type.

Natural fibres are used in cold process soap making to influence the look, feel, and character of the finished soap. They may be incorporated into the formulation itself or used externally for soap felting.

• Used in cold process soap formulations.
• Suitable for adding texture, visual appeal, and a distinctive feel to soap.
• Can also be used for soap felting, depending on the fibre and finished product design.