Using water-soluble paper to put a picture inside clear soap bars.
Combine your chosen fats (like coconut oil, olive oil, or shea butter) in a heat-safe container.
Heat gently until melted and allow them to cool to a temperature similar to your lye solution (within 10 degrees). 4. Combine and Emulsify (The "Trace") Pour the lye solution into the oils.
Add natural colorants or soap-safe micas to create swirls or solid colors. 6. Mold and Cure Pour the mixture into silicone or wooden molds. Tap the mold on the counter to release air bubbles. Let the soap sit for 24–48 hours until hard.
Slowly add the lye to the water (never water to lye) and stir until dissolved.
Placing pre-made soap shapes inside a clear or contrasting base.