DIY Foaming Hand Soap with Castile

Hand soap is one of the easiest natural swaps you can make at home. With just a few ingredients and a foaming dispenser, you can create a non-toxic, plant-based hand wash that’s gentle on skin, safe for families, and far more affordable than store-bought options.

This guide walks you through three types:

* An everyday soap with amazing foaming

* An antibacterial kitchen blend

* A baby-safe ultra-gentle version

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Keyword: diy foaming hand soap, diy hand soap, foaming hand soap

Servings: ml of soap

Author: HolisticJB

Cost: $2

Equipment

1 Foaming soap dispenser ((recycled or new))

Ingredients

Get Recipe Ingredients

Instructions

Measure 2 tbsp of castile liquid soap and add to a clean foaming soap dispenser.
2 tbsp liquid castile soap
To a measuring jug add ½ tsp of vegetable glycerin, 1 tbsp distilled water, and 10-15 drops of your preferred essential oils. Stir to blend the solution and pour into the foaming soap dispenser.
½ tsp vegetable glycerin, 15 drops essential oil
Slowly pour the remainder of the distilled water into the foaming soap dispenser, leaving 2–3 cm air space at top.
230 ml distilled water
Insert the dispensers pump, tighten the seal, and gently swirl the dispenser to combine the ingredients.
Enjoy your luxury foaming soap. Use within 3 to 4 weeks.

Notes

Why choose Castile liquid soap?

Castile soap is a vegetable-oil based soap traditionally made with olive oil. Modern versions often include coconut, hemp, or jojoba oils for added lather and conditioning. Benefits include:

Biodegradable
Non-synthetic
No SLS/SLES
Suitable for sensitive skin (when diluted properly)

Antibacterial Kitchen Version

While no DIY soap replaces proper hygiene practices, certain essential oils have well-documented antimicrobial properties in laboratory settings. This blend is ideal for kitchen sinks, after handling raw food, gardening cleanup. etc

Use the same recipe as above substituting the essential oils with the following type and amounts.

Option 1 – Classic Antimicrobial

Tea Tree (4 drops)
Lemon (4 drops)
Eucalyptus (2 drops)

Option 2 – Stronger Herbal

Tea Tree (5 drops)
Rosemary (3 drops)
Lemon (2 drops)

Baby-Safe Ultra-Gentle Version

For babies and toddlers, less is more. The following is a baby safe version,

Ingredients

2 tbsp unscented liquid castile soap
Distilled water only

Do not use essential oils.

Do not use glycerin if baby has eczema. Infants have thinner skin barriers and can react to essential oils, and fragrance, even mild ones.

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