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Demystifying Exposure: The Science Behind Using Spot Remover Sprays Explained!

Spray spot remover exposure analysis. They acknowledge assumptions, like assuming 50% of the product is absorbed by the fabric and 50% is caught between the fabric and your hand when you rub it. That is a large amount that can be on your hand and soak into your skin!

The Data and Assumptions: 

This study used past data and defaults, like a default spray duration of 0.05 min and an exposure duration default of 10 minutes. [1]  They acknowledge assumptions, like assuming 50% of the product is absorbed by the fabric and 50% is caught between the fabric and your hand when you rub it.

When you use a spray spot remover on a stained piece of fabric, there are two main steps: first, you spray the remover on the stain, and then you rub or soak the fabric between your hands. The scientists are interested in understanding how much exposure you might have to the spray during these steps. 

  1. Spraying and Rubbing:

Inhalation Exposure. They expect you might breathe in some of the spray when you’re spraying it. 

Dermal Exposure. They don’t really consider much exposure from the spray itself because they think it’s not significant. They believe most of the exposure comes from rubbing the product into the fabric. 

  1. Models and Defaults:

 They use different models and defaults (sort of like preset rules) to estimate how much of the spray you might breathe in and how much might touch your skin. 

They have specific models for non-volatile substances (things that don’t easily turn into gas) and volatile substances (things that do turn into gas). 

Defaults include things like exposure duration, room volume, ventilation, and inhalation rate. 

  1. Specifics:

They use models like ConsExpo inhalation–exposure to spray–spraying model and dermal–direct product contact–instant application loading model for estimation. 

For example, the spray duration is estimated based on defaults, and they use a Q-factor to show how confident they are in these defaults. 

 They use a Q-factor to express the confidence level in these defaults. A higher Q-factor means more confidence. 

So, in essence, they’re trying to figure out how much of the spray you might be exposed to, considering both breathing it in and it touching your skin, using various models and defaults. It’s a mix of data, models, and educated guesses to estimate your exposure to the spot remover spray. 


Choosing a spot remover with all-natural ingredients is not just a choice for cleaner clothes; it’s a gentle decision for your well-being. When considering that 50% of the chemical product can be absorbed by the fabric, and the remaining 50% may be caught between the fabric and your hand during the rubbing process, opting for natural ingredients becomes an act of care for your skin and overall health.  

Embracing an all-natural solution like Tangie stain remover bar ensures a spotless outcome without compromising your personal wellness, making every stain removal a step toward a healthier, more conscious lifestyle. 

Even though Tangie stain remover bar is made from natural ingredients, that does not mean they can not be irritating to your skin. Even natural can be harmful when not used properly and thoughtfully based on your own sensitivities to ingredients. Be thoughtful of the laundry detergent you choose a natural laundry soap too! After all, you will wear that laundry soap all day and the ingredients that remain on your clothes after washing can adsorbed into your skin.

Tangie stain remover stick full ingredients list: Coconut Oil, Water, saponified Sodium Hydroxide, Lemon Juice, Borax.  There is no synthetic fragrance, dye or colorants in our stain remover.

These ingredients are typically found in household stain removers. We choose NOT to use them and here is why…

  1. ACRYLIC ACID. This acid is very toxic to aquatic life. To us, if it is harmful to aquatic life that it is an ingredient we do not need running off into our waterways and ocean. According to the Environmental Working Group (EWG.org), this ingredient is found in brand name stain removers even in LYSOL Disinfectant Spray for Baby’s Room, which received an F rating. ☹ Sometimes it takes more than reading labels to find out what ingredients can be harmful to us. [That’s why you have Tangie] 😊
  2. SYNTHETIC FRAGRANCES. These are exempt from labeling requirements and regarded as “trade secrets”. There is no way to determine what the individual ingredients are and may include phthalates. These have been linked with aggravation of asthma, headaches, allergic reactions and possible long term central nervous system disorders.
  3. CHLORINE BLEACH. Long-term exposure to low levels of chlorine gas could cause permanent lung disease such as bronchitis and shortness of breath.
  4. AMMONIA. It is corrosive. The severity of health effects depends on the route of exposure, the dose and the duration of exposure. Exposure to high concentrations of ammonia in air causes immediate burning of the eyes, nose, throat and respiratory tract and can result in blindness, lung damage or death.
  5. 1,4-DIOXANE. Any discussion of SLS/SLES must include a discussion of 1,4 dioxane because the manufacturing process of SLS/SLES results in its being contaminated with 1,4 dioxane—a known carcinogen. (NOT to be confused with Dioxin)
  6. PROPYLENE GLYCOL. Primarily used as a solvent and an aid to absorption through the skin. The main concerns are that this material may be a primary skin irritant and there are possible links to liver abnormalities and kidney damage.
  7. PHOSPHATES. Phosphorous is like a fertilizer in our water system. It increases algae and aquatic weed growth, the oxygen needed for healthy fish and aquatic life is depleted.

PS – We cannot discuss ingredients and not bring up sodium borate.

Sodium borate goes by many names on ingredient labels including borax. We use borax in this stain remover bar.

At Tangie, we believe and trust in the value of the safety database assembled by the Environmental Working Group. So, we understand borax gets a terrible rating on their website. The harm from this ingredient comes in its application.

Borax originates in a powder form. When inhaled, the powder can irritate the eyes and lungs. Personal care companies have been known to add it to their products, which can be harmful with long-term exposure to direct skin contact.

If you are concerned about the borax in this stain remover bar, use the paper wrapper on the stain remover bar as the barrier between the bar and your skin.

PSS – We want you to be totally confident in the ingredients you will encounter using Tangie products. So, we choose to be totally transparent about the ingredients use.

Assuming 50% of what you use to remove a stain will be trapped between the fabric and your hand during the rubbing process, you want to either wear rubber gloves or choose an all-natural spot and stain remover instead of harsh chemical ingredients.

Thank you for reading. We hope you found this content valuable.

[1] https://www.ncbi.nlm.nih.gov/books/NBK561652/  


Angie Ringler

A lifelong learner with an entrepreneurial spirit inside long before I knew the word entrepreneurial. I care about what goes around me almost to a detriment. Very empathetic and sometimes find it hard to take in and remove the sadness that I feel around me. I'm a big believer in gratitude and love and respect

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