Elbow and Knee Cream
A targeted treatment for rough, dark, or ashy elbows and knees using exfoliants and brightening ingredients. Elbow/knee creams contain AHAs, urea, or brightening agents. These areas have fewer oil glands and develop thicker skin.
Other Terms
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Facial Formulation Guides
Educational resources outlining how to create face products.
Facial Lotion vs. Body Lotion
Differences in formulation strength and suitability between face and body products.
Facial Mist
A fine spray that refreshes, hydrates, or preps skin throughout the day.
Facial Oil
A lipid-based product used to seal in moisture and support the skin barrier.
Facial Skincare
Care specifically tailored to the skin on the face, addressing its unique needs.
Fading
Fading is when a fragrance becomes weaker over time, reducing its scent strength in the final product.
Fading Colors
Loss of vibrancy over time from light exposure, heat, or incompatible pigments.
False Trace
A temporary thickening in soap that looks like trace but can quickly separate, indicating the mixture isn’t fully emulsified.
Fatty Acids
Essential lipids that support structure and softness.
Feather Swirl
Creates a delicate, wispy pattern by pulling colors through the soap to form feather-like designs.
Feminine Hygiene Products
Products created to support cleanliness and comfort for feminine needs.
Fine Hair
Individual strands that are small in diameter and lightweight.
Fine Lines
Shallow lines that develop from expression and aging.
Fine Sea Salt
Small mineral grains used for mild, controlled exfoliation.
Finger Detangling
Removing knots using fingers to reduce snagging, breakage, and shedding confusion.
Fire Safety
Practical precautions to prevent burns, spills, and ignition while making and using products.
First Burn
The initial light that sets the burn pattern and helps prevent tunneling later.
Fizz Won't Stop
Continued bubbling caused by formulation imbalance.
Fizzing Action
The rapid bubbling reaction that occurs when the product dissolves in bath water.
Flame Too Large
An oversized burn that can overheat the vessel, soot heavily, and become unsafe.
Flame Too Small
An undersized burn that struggles to maintain a pool and may tunnel or self-extinguish.
Flash Point
The temperature at which a fragrance or essential oil becomes flammable and should never be confused with the temperature used for making soap.
Flash Point (Candle Making)
The lowest temperature where vapors could ignite, used mainly as a safety reference when heating.
Flash Point (Fragrance)
The lowest temperature at which the scent oil’s vapors could ignite, relevant for handling and heating.
Flip-Top Cap
A hinged cap that opens and closes easily for daily use.