Reheating Melt and Pour
Gently rewarming base that's begun to solidify during work. Reheat in short microwave bursts or return to double boiler. Avoid excessive reheating as it can degrade base quality and reduce lather. Covering the container with Saran Wrap can help the base melt evenly and prevent moisture from escaping.
Other Terms
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Pustule
An inflamed blemish containing pus.
ROE (Rosemary Oleoresin Extract)
A natural antioxidant added to soap to slow oil oxidation and help prevent rancidity.
RRD Wick
A flat braided series often used for pillars and tapers, chosen for controlled burn rates.
Raking
Distributing product by pulling through sections with fingers for even coverage.
Rancidity
The breakdown and oxidation of oils in soap, leading to off smells, discoloration, and reduced quality over time.
Reaction Rate
Speed at which the fizzing reaction occurs.
Reapplication
Applying additional product throughout the day to maintain protection.
Rebatch Soap (Hand Milled Soap)
A method of grating and remelting finished soap to reshape or enhance it without starting the saponification process from scratch.
Recipe Formulation (Cold Process)
The process of selecting and balancing oils, lye, and additives to create a stable, safe, and effective soap.
Recipe Library
Organized collections of tested formulas.
Record Keeping
Documenting formulas, dates, temps, and results to improve consistency and traceability.
Refrigeration (Skincare)
Cold storage used to extend freshness or calm skin.
Retinization Period
The adjustment phase where skin builds tolerance to vitamin A derivatives.
Retinoids
A class of vitamin A–based compounds used to improve texture, tone, and signs of aging.
Retinoids (Acne)
Vitamin A–based treatments used to reduce breakouts and improve texture.
Retinoids (Anti-Aging)
Vitamin A–based treatments used to reduce aging signs.
Retinol
A vitamin A derivative used to promote cell turnover and reduce signs of aging.
Retinol Irritation
Redness, dryness, or peeling that can occur when skin adjusts to vitamin A products.
Retinol Percentage
The concentration level that determines strength, effectiveness, and irritation risk.
Rice Bran Oil
A lightweight, antioxidant-rich oil that nourishes skin and adds a silky, smooth feel to soap.
Rice Bran Oil (Body Care)
A conditioning oil valued for softness and barrier support.
Ricing
A sudden thickening of soap batter that creates a grainy, rice-like texture during mixing.
Rinse-Out Conditioner (Regular Conditioner)
An everyday softener applied briefly and rinsed away for quick manageability.
Root Lifter
A targeted product used near the scalp to boost lift and support at the roots.
Rose Clay (Pink Clay)
A mild mineral clay added to soap for gentle cleansing, a soft pink hue, and a smooth, silky feel.