Chemicals in food and cosmetics

By: Samar HankirRawdat Al-Ma’arif School

Ms. Heyam Alzaka

Contents

Food1. Colourings2. Preservatives

Cosmetics

1. Sunblock • Chemical• Natural

2. Deodorants3. Hair dyes4. Soaps5. Lip balms6. Eyeliners & mascara

Foods

Colourings & Preservatives

Colourings

Amaranth (E123)Side effects:

• Carcinogenic responses• Embryo toxic responses

Found in:• Food dye• Cosmetics

Terminated

Tartrazine (E102)

Side effects:• Child hyperactivity• Cancer

Found in:• Candy• Beverages• Baked goods• Cosmetics

Safe

Preservatives

Preservatives

Sodium NitrateSide effects:

• Brain tumors• Nose tumors • Throat tumors

Found in:• Mouth wash• Explosives• Fertilizers

Monosodium glutamateSide effects:

• Headaches• High blood pressure

Found in:• Canned food• Tomatoes• Parmesan cheese• Asian cuisines

Other methods

CuringCuring is a method of

keeping bacteria away from almost any type of food using a good amount of heat or coolness since the optimum condition for bacteria is moisture and warmth.

OilOil is used to preserve

dairy products mainly because it is impermeable to Oxygen and thus doesn’t allow external sources to insert the dairy products.

Cosmetics

Sunblock

Avobenzonebest available agent for

filtering skin damaging UVA rays.

Side effects:• Mimic hormones• Disrupt hormone system• Toxic to reproductive system• Interfere with normal

development

Oxybenzone (most common)

Side effects:Under low conc.

• Causes allergic skin reactions

• May disrupt hormones

Under high conc.• Increase the risk of lower

birth weight

Schlumpf studies

According to Schlumpf 2008

European studies detected certain chemicals in normal sunscreens which show traces in the mother’s milk, indicating that the developing fetus and newborns are being exposed to their substance.

According to Schlumpf 2010

At least one chemical is present in 85% of milk samples.

Mineral Sunblock - Zinc oxide

Zinc oxide is broad spectrum, it blocks UVA & UVB light, zinc is less whitening on the skin and blocks nearly all dangerous UV light. Inexpensive versions of these sunscreens are gooey, and even though they are used, most people don’t enjoy using them.

Newer Zinc oxide sunscreen contains particles so small that they are almost transparent. These sunscreens are called micronized and protect against UV light perfectly.

Deodorants

Parabens (preservatives)Antifungal agentSide effects:

• Hormone disruptor• Infertility• Breast cancer

Also found in:• Make up removers

(Bioderma Sensibio H2O)• Mouth washes• Lotions

Triclosan (pesticide) J&JSide effects:

• affects body’s hormone systems which regulate metabolism

• disrupt normal breast development

• Reproductive abnormalities

Also found in:• Colgate Total (prevents

Gingivitis)• Liquid hand soaps• Body washes

Hair dyes

Lead AcetateSide effects:

• Increases body ‘Pb’ level (Lead is a potent neurotoxin)

• Behavioral problems• Learning problems• Reduced fertility• Miscarriage

Banned in Canada & Europe

Sodium Laureth Sulphate

Soaps

AKA…Pesticide

Side effects:• Pollution causing cancer • Skin & eye irritant

Also found in:• Cleansing gel (Bioderma)• Shampoo (Pert &

Garnier)• Mouthwash• Stain remover

Sodium hydroxide Side effects:

• Severe damage to the eye

• Nose irritation• Lung issues

Tran

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Lip balms

Petrolatum

Side effects:• Higher sun sensitivity• Burning• Itching• Stinging• Redness• Irritation

Lubricants• Ozokerit• Ceresin• Carnauba (Copernicia)

Eyeliners & mascara

Carbon black Effects:

• Increased incidence of cancer

Also found in:• Blush • Eye shadow• Face powders

NitrosaminesAKA – DEA, TEA Side effects:

• Cancer • Organ system toxicity

Found in almost every care product.

Banned or found unsafe in Canada

Resources

• http://www.ewg.org/2015sunscreen/report/the-trouble-with-sunscreen-chemicals-/

• http://www.healthcentral.com/skin-care/medications/white-petrolatum-top-470/side-effects/

• http://www.livestrong.com/article/460662-what-is-sodium-saccharin/

• http://www.livestrong.com/article/283850-why-is-sodium-nitrate-bad-for-you/

• http://pubchem.ncbi.nlm.nih.gov/compound/sodium_nitrate• http://www.eufic.org/article/en/artid/monosodium-glutamate/• https://en.wikipedia.org/wiki/Monosodium_glutamate• http://www.breastcancerfund.org/clear-science/environmental

-breast-cancer-links/cosmetics/?referrer=https://www.google.jo/

• http://www.safecosmetics.org/get-the-facts/chemicals-of-concern/red-list/

• http://ecowatch.com/2014/01/07/chemicals-cosmetics-avoid/

Resources• http://www.safecosmetics.org/get-the-facts/chemicals-of-concern/red-list/•

HTTPS://SMARTKLEAN.WORDPRESS.COM/2011/09/08/TOP-10-REASONS-TO-AVOID-SODIUM-LAURYL-SULFATE/

• http://www.mayoclinic.org/drugs-supplements/coal-tar-topical-route/side-effects/drg-20068614

• http://www.gao.gov/products/HRD-78-22• http://www.atsdr.cdc.gov/phs/phs.asp?id=1076&tid=34• http://www.mayoclinic.org/drugs-supplements/coal-tar-topical-route/side-effe

cts/drg-20068614• http://www.gao.gov/products/HRD-78-22• http://www.livestrong.com/article/283850-why-is-sodium-nitrate-bad-for-you/• http://pubchem.ncbi.nlm.nih.gov/compound/sodium_nitratehttp://www.eufic.o

rg/article/en/artid/monosodium-glutamate/• https://en.wikipedia.org/wiki/Monosodium_glutamate

Thank you for listening

Done by: Samar HankirRawdat Al-ma’aref School

Ms. Heyam Alzaka

Time taken: 4 days