Can I add stearic acid to soap?
Stearic acid is a great addition to soap recipes if you’d like to create an extra firm bar of soap. It’s usually used as a thickening agent in lotion. It’s a vegetable derived waxy substance that can be used at a 0.5% of your oils in cold process soap.
Does stearic acid make soap harder?
Stearic acid in soap helps to create a harder bar of soap with stable, creamy lather. You can bump up the stearic acid content by using certain oils, fats, and butters such as hydrogenated soybean oil, kokum butter, and illipe butter to name a few examples.
How much stearic acid is in soap making?
Usage Instructions: Use at 3 to 5 percent of the total weight in lotion, conditioner, and emulsified scrub. For cold process soap, use at 0.5 percent of the total weight of the oils.
What can I use to harden my soap?
Add some salt. Like sodium lactate, salt will help harden soap into very hard bars. Add about ½ teaspoon per pound of oil to the recipe. This recipe has 14.25 ounces of oils, so between ¼ and ½ teaspoon of salt will be enough.
Is stearic acid an emulsifier?
Stearic acid is an emulsifier by itself, but can also be used with triethanolamine. When mixed, the two compounds react and become a paste called ‘triethanolamine stearate’ that helps to create a loose emulsion that is easily absorbed by the skin.
What is stearic in soap making?
What is Stearin? Stearin, (other names for it – stearine or stearic acid), is a mixture of fatty acids, used in candle and soap making. Triple pressed stearic acid has many industrial uses.
Is stearic acid a surfactant?
Stearic acid is unique in that it works as a surfactant—essentially an ingredient that helps cleanse the skin—but won’t strip the skin of its natural oils, making it a prime choice for those who suffer breakouts.
What type of surfactant is stearic acid?
Stearic acid a surfactant emulsifying and cleansing agent.
What is the formula for stearic acid?
C18H36O2Stearic acid / Formula
Stearic acid ( STEER-ik, stee-ARR-ik) is a saturated fatty acid with an 18-carbon chain. The IUPAC name is octadecanoic acid. It is a waxy solid and its chemical formula is C17H35CO2H. Its name comes from the Greek word στέαρ “stéar”, which means tallow.
Is stearic acid a wax?
Stearic acid is a fatty acid that is derived from tallow or vegetable oil. Stearic is a very effective wax modifier that has been used in candle making for well over 150 years.
Is stearic acid harmful for skin?
Some natural sources that contain stearic acid, such as coconut oil and shea butter, have moisturizing and anti-inflammatory properties. However, people should avoid using stearic acid on its own. It may irritate a person’s skin and cause other health problems.
What is the pH of stearic acid?
5.5
Since the pH of stearic acid is 5.5 and the melting point is 57.23°C, and the inlet temperature of the fluidized bed granulator could be as high as 70°C, a preliminary study was initiated to determine the tolerance of L.
Is stearic acid safe for skin?
For many people, using products containing stearic acid is a safe and effective way of treating a variety of skin problems. However, using pure stearic acid can have adverse effects. Additionally, stearic acid-containing products may be unsuitable for people with certain allergies.
What is the main function of stearic acid?
Stearic Acid Uses
Stearic acid is an emulsifier, emollient, and lubricant that can soften skin and help to keep products from separating. Stearic acid is used in hundreds of personal care products, including moisturizer, sunscreen, makeup, soap, and baby lotion.
Is cetyl alcohol the same as stearic acid?
Stearic acid isn’t a great alternative for cetyl alcohol—you can learn more about it here. It is a much creamier, heavier thickener. I find oils thickened with cetyl alcohol feel like viscous oils, while oils thickened with stearic acid feel like butters.
What is pH of stearic acid?
Since the pH of stearic acid is 5.5 and the melting point is 57.23°C, and the inlet temperature of the fluidized bed granulator could be as high as 70°C, a preliminary study was initiated to determine the tolerance of L.
What is the substitute of stearic acid?
Substituting Stearic Acid
If you are a candle or lotion maker,emulsifier wax or “e-wax” is the most common substitute. Unfortunately, e-wax is not a natural product, it is made of chemicals like cetearyl alcohol, polysorbate 60, PEG-150 stearate and steareth-20.
Can cetyl alcohol be used in place of stearic acid?
First of all, both stearic acid and cetyl alcohol are used as thickener in making cream. They are both added to the oil phase, stabilizing agent, derived from vegetable oil. Cetyl alcohol gives a more silky finish lotion compared to stearic which gives a more thicker consistency.
Is stearic acid better than cetyl alcohol?
Which is better cetyl alcohol or stearic acid?
Can cetyl alcohol and stearic acid be used together?
Cetearyl alcohol pops up in this formulation as an emollient and thickener, paired with stearic acid. This cleanser is very generally a lotion with added surfactants; using cetearyl alcohol as one of the emollients helps add body and richness while keeping costs down.
Is stearic acid a co emulsifier?
Stearic acid is a fatty acid derived from vegetable fat. It is hydrating and gentle on the skin. It is used as a co-emulsifier and thickener in creams and lotions, which means that it helps emulsifying wax to mix water and oil together.
Does shea butter contain stearic acid?
Shea butter is characterized by a high level of stearic and oleic acid and contains a higher content of unsaponifiables than most vegetable oils. The main fatty acid constituents of the oil are comprised of palmitic, stearic, oleic, and linoleic acids.
Which oils are high in stearic acid?
Stearic acid makes for a hard bar with stable, creamy lather. The oil highest in stearic acid is surprisingly, soy wax, boasting a whopping 87%! All butters are high in stearic, as well. Mango, cocoa, shea, kokum, sal, illipe, you name it, is high in stearic acid.
What is another name for stearic acid?
Stearic acid, another name for octadecanoic acid CH3(CH2)16COOH, is one of the most common fatty acids. It exists as a glycerol ester in most animal and plant fats (Beare-Rogers, Dieffenbacher, & Holm, 2001).