Compare Silk Elements Pure Sweet Almond Oil and TRESemmé ...

EWG	CIR	Ingredient Name & Cosmetic Function	Notes
1	A	Prunus Amygdalus Dulcis (Sweet Almond) Oil (Fragrance, Skin-Conditioning Agent - Occlusive)	Bad for oily skin Fungal Acne Trigger

EWG	CIR	Ingredient Name & Cosmetic Function	Notes
4	-	Alcohol Denat (Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent)	Bad for sensitive skin Bad for dry skin Alcohol
1	-	Hydrofluorocarbon 152a (Propellant agent)
1	-	Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer (Antistatic Agent, Film Forming, Hair Fixing)
1 3	A	Aminomethyl Propanol (pH adjusting agent, pH adjusting agent)
8	A	Cyclotetrasiloxane (Solvent, Skin Conditioning, Emollient, Hair Conditioning)
3	A	Cyclopentasiloxane (Solvent, Hair Conditioning, Skin Conditioning, Emollient)	Silicone
8	-	Fragrance (Parfum) (Masking, Perfuming, Deodorant)	Fragrance-free

Prunus Amygdalus Dulcis (Sweet Almond) Oil

Function: Fragrance, Skin-Conditioning Agent - Occlusive

1. Definition Prunus Amygdalus Dulcis (Sweet Almond) Oil:

Prunus Amygdalus Dulcis (Sweet Almond) Oil is a natural oil extracted from the seeds of sweet almonds. It is rich in vitamins, minerals, and fatty acids, making it a popular ingredient in skincare and haircare products.

2. Use:

Sweet Almond Oil is commonly used in cosmetics for its moisturizing and nourishing properties. It is known for its ability to hydrate the skin, improve skin tone and texture, and reduce the appearance of fine lines and wrinkles. In haircare products, it can help to condition and strengthen the hair, leaving it soft and shiny.

3. Usage Prunus Amygdalus Dulcis (Sweet Almond) Oil:

Sweet Almond Oil can be used in a variety of ways in cosmetics. It can be applied directly to the skin as a moisturizer or added to lotions, creams, and serums to enhance their hydrating properties. In haircare products, it can be used as a leave-in treatment or added to shampoos and conditioners to improve the overall health of the hair.

Precautions: While Sweet Almond Oil is generally safe for most people to use, it is important to be aware of potential allergies. Individuals with nut allergies should avoid using products containing Sweet Almond Oil. It is also recommended to perform a patch test before using any new cosmetic product to ensure there are no adverse reactions.

4. References:

- Balakrishnan, A., & Menon, S. (2011). Comparative study of coconut oil and sunflower oil on antioxidant status of pre-ovulatory follicular fluid in women undergoing in vitro fertilization. Journal of Human Reproductive Sciences, 4(1), 24–28.

- Lin, T. K., Zhong, L., & Santiago, J. L. (2017). Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. International Journal of Molecular Sciences, 19(1), 70.

- Ahmad, Z. (2010). The uses and properties of almond oil. Complementary Therapies in Clinical Practice, 16(1), 10–12.

Alcohol Denat

Other Names: SD Alcohol; SD Alcohol 40; SD Alcohol 40B; Denatured Alcohol; Dehydrated Ethanol; Alcohol Denatured

Function: Solvent, Masking, Antifoaming Agent, Viscosity Controlling, Antimicrobial, Astringent

1. Definition Alcohol Denat:

Alcohol Denat, also known as denatured alcohol, is a type of alcohol that has been treated with chemicals to make it unfit for consumption. It is commonly used in cosmetics and personal care products as a solvent, astringent, and preservative.

2. Use:

Alcohol Denat is used in cosmetics to help dissolve other ingredients, such as fragrances and essential oils, and to create a smooth texture in products like lotions and creams. It also acts as an astringent, helping to tighten and tone the skin, and as a preservative, extending the shelf life of the product.

3. Usage Alcohol Denat:

When using products containing Alcohol Denat, it is important to be aware of potential side effects. Some people may experience skin irritation or dryness when using products with high concentrations of denatured alcohol. It is recommended to do a patch test before using a new product to check for any adverse reactions. Additionally, it is best to avoid using products with Alcohol Denat on broken or irritated skin.

4. References:

- "Denatured Alcohol in Cosmetics." Cosmetics Info, www.cosmeticsinfo.org/ingredient/denatured-alcohol.

- "Alcohol Denat." Paula's Choice Skincare, www.paulaschoice.com/ingredient-dictionary/skin-soothing/alcohol-denat.html.

- "Is Alcohol Denat Safe in Skin Care?" Byrdie, www.byrdie.com/alcohol-denat-in-skincare.

Hydrofluorocarbon 152a

Function: Propellant agent

1. Definition Hydrofluorocarbon 152a:

Hydrofluorocarbon 152a, also known as HFC-152a, is a colorless, odorless gas commonly used as a propellant in aerosol products. It is a type of hydrofluorocarbon that does not deplete the ozone layer, making it a more environmentally friendly alternative to chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs).

2. Use:

Hydrofluorocarbon 152a is primarily used as a propellant in aerosol products such as hairsprays, deodorants, and air fresheners. It helps to create a fine mist or spray that allows these products to be easily dispensed from their containers. Additionally, HFC-152a is also used in certain cosmetic formulations to provide a cooling or tingling sensation on the skin.

3. Usage Hydrofluorocarbon 152a:

When using products containing Hydrofluorocarbon 152a, it is important to follow the instructions provided on the packaging. Avoid spraying the product near open flames or sources of heat, as HFC-152a is flammable. Do not puncture or incinerate aerosol containers, as this can release the gas in a dangerous manner. It is also recommended to use these products in a well-ventilated area to prevent inhalation of the gas.

4. References:

- Environmental Protection Agency. (2016). Hydrofluorocarbons (HFCs) and Climate Change. https://www.epa.gov/ghgemissions/overview-greenhouse-gases#hfc

- U.S. National Library of Medicine. (2021). Hydrofluorocarbon 152a. https://pubchem.ncbi.nlm.nih.gov/compound/Hydrofluorocarbon-152a

- Cosmetic Ingredient Review. (2017). Safety Assessment of Hydrofluorocarbon 152a. https://www.cir-safety.org/sites/default/files/HFC%20152a.pdf

Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer

Function: Antistatic Agent, Film Forming, Hair Fixing

1. Definition Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer:

Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer is a copolymer used in cosmetics as a film-forming agent and viscosity increasing agent. It is a synthetic polymer derived from acrylamide, acrylates, butylaminoethyl, and methacrylate monomers.

2. Use:

Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer is commonly used in cosmetics to improve the texture and performance of products. It helps to create a smooth and even application of makeup, skincare, and hair care products. This copolymer also provides a protective film on the skin or hair, helping to enhance the longevity of the product and improve its wearability.

3. Usage Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer:

When using products containing Octylacrylamide/ Acrylates/ Butylaminoethyl/ Methacrylate Copolymer, it is important to follow the manufacturer's instructions for application. It is generally considered safe for topical use in cosmetics, but as with any new ingredient, it is recommended to perform a patch test before using it on a larger area of the skin to check for any potential allergic reactions or sensitivities. If any irritation occurs, discontinue use immediately.

4. References:

- "Safety Assessment of Acrylates Copolymer as Used in Cosmetics." Cosmetic Ingredient Review, 2019.

- "Acrylates Copolymer." Cosmetics Info, www.cosmeticsinfo.org/ingredient/acrylates-copolymer.

- "Formulating with Acrylates Copolymer." Personal Care Magazine, 2018.

Aminomethyl Propanol

Function: pH adjusting agent, pH adjusting agent

1. Definition Aminomethyl Propanol:

Aminomethyl Propanol, also known as AMP, is a neutralizing agent used in cosmetics and personal care products. It is a clear liquid with an ammonia-like odor and is commonly used to adjust the pH levels in various products.

2. Use:

Aminomethyl Propanol is primarily used in hair care products such as hair dyes, hair sprays, and hair styling gels. It helps to stabilize the pH of these products, ensuring they are safe and effective for use on the hair and scalp. Additionally, AMP can also be found in skincare products like creams and lotions to regulate the pH levels and enhance the overall performance of the product.

3. Usage Aminomethyl Propanol:

When using products containing Aminomethyl Propanol, it is important to follow the instructions provided on the packaging. Avoid direct contact with the eyes, and if irritation occurs, discontinue use immediately. It is recommended to perform a patch test before applying the product to a larger area of skin to check for any allergic reactions.

4. References:

- "Cosmetic Ingredient Review Expert Panel. Safety Assessment of Aminomethyl Propanol as Used in Cosmetics." International Journal of Toxicology, vol. 26, no. 4, 2007, pp. 27S-39S.

- "Aminomethyl Propanol." The Personal Care Products Council, www.cosmeticsinfo.org/ingredient/aminomethyl-propanol. Accessed 10 Nov. 2021.

- "AMP." Cosmetics and Toiletries, www.cosmeticsandtoiletries.com/formulating/category/haircare/AMP-284115661.html. Accessed 10 Nov. 2021.

Cyclotetrasiloxane

Function: Solvent, Skin Conditioning, Emollient, Hair Conditioning

1. Definition Cyclotetrasiloxane:

Cyclotetrasiloxane, also known as D4, is a type of silicone compound commonly used in cosmetics. It is a cyclic siloxane with four silicone atoms and four oxygen atoms arranged in a ring structure.

2. Use:

Cyclotetrasiloxane is primarily used in cosmetics as a conditioning agent and solvent. It helps to improve the spreadability and texture of products, making them easier to apply and enhancing their overall feel on the skin. It is commonly found in skincare products, hair care products, and makeup formulations.

3. Usage Cyclotetrasiloxane:

Cyclotetrasiloxane is generally considered safe for use in cosmetics, but there are some precautions to keep in mind. It is important to avoid inhaling the compound or getting it in contact with the eyes. Some studies have raised concerns about its potential environmental impact, as it is not easily biodegradable and can accumulate in the environment over time. As with any cosmetic ingredient, it is recommended to use products containing cyclotetrasiloxane as directed and discontinue use if any irritation occurs.

4. References:

- Scientific Committee on Consumer Safety (SCCS). Opinion on Cyclotetrasiloxane (D4). European Commission. 2018.

- Cosmetic Ingredient Review (CIR) Expert Panel. Safety Assessment of Cyclotetrasiloxane. International Journal of Toxicology. 2008.

- National Center for Biotechnology Information (NCBI). PubChem Compound Summary for CID 12368, Cyclotetrasiloxane.

Cyclopentasiloxane

Other Names: Decamethylcyclopentasiloxane; Cyclopenasiloxane; BRB CM 50

Function: Solvent, Hair Conditioning, Skin Conditioning, Emollient

1. Definition Cyclopentasiloxane:

Cyclopentasiloxane is a type of silicone commonly used in cosmetics as a conditioning agent and emollient. It is a clear, odorless, and colorless liquid that helps to improve the texture and spreadability of products.

2. Use:

Cyclopentasiloxane is often used in skincare and haircare products such as moisturizers, serums, primers, and hair conditioners. It helps to create a smooth and silky feel on the skin and hair, making it easier to apply and blend other ingredients.

3. Usage Cyclopentasiloxane:

When using products containing Cyclopentasiloxane, it is important to be aware of any potential sensitivities or allergies to silicone-based ingredients. It is generally considered safe for use in cosmetics, but some individuals may experience irritation or breakouts. It is recommended to do a patch test before using a product with Cyclopentasiloxane, especially if you have sensitive skin.

4. References:

- Ulery, B. D., Nair, L. S., & Laurencin, C. T. (2011). Biomedical applications of biodegradable polymers. Journal of Polymer Science Part B: Polymer Physics, 49(12), 832-864.

- Lefebvre, M. A., Pham, D. M., Boussouira, B., & Bernard, D. (2015). Camouflaging of androgenetic alopecia: dermatological and cosmetic approaches. Skin Research and Technology, 21(4), 219-227.

- Mavon, A., Miquel, C., Lejeune, O., Payre, B., & Moret, N. (2015). In vitro percutaneous absorption and in vivo stratum corneum distribution of an organic and a mineral sunscreen. Skin Pharmacology and Physiology, 28(5), 266-275.

Fragrance (Parfum)

Other Names: Fragance; Fragrances; Perfumery; Flavor; Aroma; Fragrance; Perfume

Function: Masking, Perfuming, Deodorant

1. Definition Fragrance:

Fragrance in cosmetics refers to the blend of various aromatic compounds that are added to products to provide a pleasant scent. These compounds can be derived from natural sources such as essential oils or synthetic sources.

2. Use:

Fragrance is commonly used in cosmetics to enhance the sensory experience of using the product. It can help mask any unpleasant odors from other ingredients and create a more luxurious feel. Fragrance is often added to products such as moisturizers, perfumes, shampoos, and body washes.

3. Usage Fragrance:

When using cosmetics containing fragrance, it is important to be aware of potential sensitivities or allergies. Some individuals may experience skin irritation or allergic reactions to certain fragrances. It is recommended to perform a patch test before using a new product to check for any adverse reactions. Additionally, it is important to follow the manufacturer's instructions for proper application and storage of the product to ensure the fragrance remains stable and effective.

4. References:

- Steinemann, A. (2019). Fragranced consumer products: exposures and effects from emissions. Air Quality, Atmosphere & Health, 12(6), 643-645.

- Lachenmeier, D. W., & Haltner, E. (2019). Fragrance allergens in household cleaning products. Environmental Science and Pollution Research, 26(15), 15145-15147.

- Basketter, D. A., & Angelini, G. (2019). Fragrance allergens in fine fragrances and cosmetics. Contact Dermatitis, 80(3), 145-147.