What is cross contamination in makeup?

Author: Dana Marks  |  Last update: Friday, January 9, 2026

Makeup brushes, sponges, and other tools are often used on different clients, which makes them susceptible to cross-contamination. In addition, makeup products themselves can harbor bacteria, which can transfer to the tools used to apply them.

How to prevent cross-contamination in makeup?

Professional, sanitary makeup artists clean their cosmetics before after each use; it's a practice everyone else should adopt as well. Solutions of at least 70% isopropyl alcohol should be used to effectively kill bacteria on contact for all cosmetics, including cream palettes, lipsticks, and powders.

What is an example of cross-contamination?

Some examples are:
  • Touching raw meats then handling vegetables or other ready-to-eat foods without washing hands between tasks.
  • Using a food soiled apron or towel to wipe your hands between handling different foods.
  • Failing to change gloves between handling different foods.

What makeup should you not share?

DON'T: Do not give anyone anything that touched your eye or mouth, especially if the product has a foot applicator. Ex: Liquid lipstick, mascara, eyeliner, concealer or lip gloss with a doe foot applicator. Avoid giving people products in a jar, especially if it's skin care.

What type of makeup grows the most bacteria?

These Makeup Products Are Highly Prone To Bacterial Contamination
  • 1. Makeup Blenders
  • 2. Makeup Brushes
  • 3. Mascara
  • 4. Counterfeit Makeup
  • 5. Expired Makeup

Preventing Cross Contamination | Hudson Beauty Academy

How long can bacteria live on makeup?

"Depending on the bacteria or virus and depending on the type of product and its ingredients, beauty products can remain contaminated from a range of a few hours or days to much longer," said Dr. David Lortscher, a board-certified dermatologist and the CEO and founder of Curology.

What bug is used in makeup?

I'm talking specifically about the extract from one little critter called a Cochineal beetle. This beetle extract is used in both traditional (petroleum-based) and natural makeup for the brilliant, cool-toned pinks and reds it imparts. This buggy dye is generally referred to as “CARMINE” in cosmetics, makeup, and food.

What is toxic makeup?

Some types of makeup frequently used in the United States and other parts of the world contain toxic chemicals, such as lead, phthalates, mercury, and formaldehyde. These chemicals are known to be connected to personal health harms, such as neurological issues, reproductive system damage, and cancer.

Can you get a staph infection from old makeup?

Can makeup make you sick? You wash your hands after using the restroom and before you eat, but if you're using four-year-old eye shadow, your hygiene habits may not be enough. Contaminated or old cosmetics can contain germs that lead to acne, rashes, pink eye, staph infections and even herpes.

What makeup should I throw out?

Here are my general guidelines, as a trained aesthetician, for the average shelf life of most cosmetics: Powder based products (e.g., mineral foundation, eye shadows, blushes): 2-3 years. Liquid foundation: up to 1 year. Lipstick/gloss/liner: 2 years max for lipstick.

What are 3 items that can cause cross contamination?

Meat, poultry, and fish can be big culprits in cross-contamination, especially when stored with ready-to-eat foods. These raw items carry bacteria that can easily transfer to foods that you won't be cooking again.

How do you avoid cross contamination?

Some ways to help prevent cross contamination include:
  1. use separate utensils or thoroughly wash and sanitise utensils between handling raw and ready-to-eat foods.
  2. keep food covered and off the floor during storage.
  3. avoid any unnecessary touching of food.

How do makeup artists not cross contaminate?

Use Disposable Tools:

Disposable tools, such as mascara wands, lip brushes, and applicators, can be used to prevent cross-contamination. They should be discarded after every use, and new ones should be used for each client.

What is the most hygienic way to apply makeup?

Cleanliness is Key

Always start with clean hands and a clean face. Wash your hands before applying makeup to prevent transferring bacteria or other pathogens and irritants to your eyes. Ensure your brushes and applicators are clean, washing them regularly with mild soap and water.

Is it safe to get makeup done?

All brushes and tools should be properly sanitized

"Getting your makeup done can be such a fun experience, but the artist is dealing with very sensitive parts of your body, such as your eyes and mouth," McGinley said. "It's their job to ensure you're protected from infection and irritation."

Can I use 10 year old eyeshadow?

When do eyeshadows expire? Luckily, you can hang on to your eyeshadows for a bit longer. The time from opening to when eyeshadows expire is 12 months but if left unopened, you have a full three years to hang onto them. This is because eyeshadow palettes are generally made with powder formulas.

What kills staph infections naturally?

Tea Tree Oil. Tea tree oil has bactericidal properties that decrease bacterial growth, making it effective for treating staph infections.

When to throw out old makeup?

When to Throw Away Makeup
  1. Mascara. Average life span: four to six months. ...
  2. Eyeliner. Average life span: one year. ...
  3. Foundation. Average life span: one year. ...
  4. Concealer. Average life span: one year. ...
  5. Blush and Eye Shadow. Average life span: one to two years. ...
  6. Lipstick. Average life span: eight months. ...
  7. Makeup Brushes. ...
  8. Fragrances.

What is the cleanest makeup brand?

  1. ILIA. 1% for the planet. Cruelty free. ...
  2. Jones Road. Cruelty free. Eco friendly packaging. ...
  3. Well People. American made. Cruelty free. ...
  4. Merit Beauty. Cruelty free. Eco friendly packaging. ...
  5. 100% Pure. American made. Cruelty free. ...
  6. RMS Beauty. Cruelty free. Eco friendly packaging. ...
  7. Kosas. Cruelty free. ...
  8. Alima Pure. 1% for the planet.

What is the healthiest lipstick?

  • ILIA. 1% for the planet. Cruelty free. Plant trees. Vegan. Woman owned. ...
  • Well People. American made. Cruelty free. Fair trade. Vegan. Best For | Affordable lipstick. ...
  • Kosas. Cruelty free. FSC. Vegan. Woman owned. Best For | Long lasting color. ...
  • Antonym Cosmetics. Cruelty free. Eco friendly packaging. FSC. Vegan. Woman owned.

How to check if your makeup is safe?

Check out EWG's Skin Deep Database to find safer products and check ratings for items you already use. Note: The FDA does not regulate the word “natural,” so if you find a product that claims to be all-natural, you still need to read the ingredients label.

What is the most harmful chemical in makeup?

“The Dirty Dozen” cosmetic chemicals to avoid
  • BHA and BHT.
  • Coal tar dyes: p-phenylenediamine and colours listed as “CI” followed by a five digit number.
  • DEA-related ingredients.
  • Dibutyl phthalate.
  • Formaldehyde-releasing preservatives.
  • Parabens.
  • Parfum (a.k.a. fragrance)
  • PEG compounds.

What bug is in nerds?

You'd never guess by their whitish-grey outsides, but the bodies of these little critters, called cochineal insects, are a deep purpley red, and once crushed up they are a main ingredient in a bright red natural coloring that is prized by food and drink makers as a cheap alternative to synthetic red dye.

What are the beetles in mascara?

If you're using makeup that has 'carmine' in the ingredient list, that means its color is derived from cochineal beetles. These insects are native to Mexico and are crushed to release their vibrant red dye.

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