Think Dirty Blog — ingredients

Glossary

PFAAs: Perfluoroalkyl Acids.

PFAS: Poly- and Perfluoroalkyl substances. The umbrella term for all PFAAs, PFOA, PFOS, and all other chemicals in this category.

PFOA: Perfluorooctanoic Acid.

PFOS: Perfluorooctane Sulfonate.

You might recognize the name PFAS or PFAAs from headlines over the past few years regarding the presence of these chemicals in consumer products like menstrual underwear, and...

The first Sunday of June is National Cancer Survivors Day. Today we pay tribute to not only our family and friends who have survived but also send love to those currently battling, and mourn those lost. We want to bring awareness to one of the most common, and treatable, forms of cancer: skin carcinoma. In a world where we are bombarded with...

When people first use our app, they tend to be shocked when they look up their go-to products and find that many are rated an 8 in our system. Unfortunately, scoring an 8 in the Think Dirtybook means that the ingredients can carry potentially serious negative long-term health effects. A lot of the time, this rating is largely due to the ingredient known as Fragrance or Parfum. The vast majority of...

The cosmetic industry often tries out weird and dangerous ingredients. From using Arsenic in powders to Lead in foundations in the past, to Talc and other toxins today. Here is Think Dirty’s list of ingredients that you should avoid in your cosmetic products.

Parabens (methyl- & propyl-, butyl-, ethyl-) (Rated 8)

Parabens are a family of man-made chemicalsthat are usually used as preservatives. They...

Hyaluronic Acid. CBD. Collagen. Retinol. Vitamin C.

Every year, trendy new skincare ingredients emerge out of thin air, touted by brands as face-saving holy grails that you just needto add to your routine. This year’s offender? That would be Bakuchiol, a plant-derived compound claiming to be the plant-based, gentler answer to Retinol’s (aka Vitamin A) prescription-strength anti-aging,...