Chemical based sunscreens will apply virtually clear, as they utilize chemical absorbers and have little to no zinc in the formulation. Here is their recommendation, simply take the active and inactive ingredients that you're not sure of and put them into Wikipedia or Google to obtain a quick insight into the research surrounding those chemicals.

thinkbaby utilizes the highlest level of Zinc in their formulation. The sunscreen absorbs surprisingly well into the skin and does not cause the "ghosting" caused by pasty zinc formulas. With that said, it does not go on perfectly clear.

thinkbaby engineered their sunscreen for people that are serious about sun protection and that aren't interested in gambling with chemical based sunscreens. They have tested it from surfers in California, at high altitude with skiers and snowboarders, to cyclists in the heat of summer in Austin, Texas. The responses have all been amazing.

In the development process of thier sunscreen, they were sure to build in as many key benefits as possible. Here are some of the important features of their formulation.

Product information:

• Patented – Free of Endocrine Disrupting Chemicals

• Broad spectrum UVA and UVB protection

• Very stable under sunlight

• Not chemical based

• No Nano particles

• Free of hormone disrupting chemicals

• Rated at the highest level of Water Resistance

• Paraben Free and PABA Free

• High Zinc content – no Titanium Dioxide

• Immuno-enhancing properties to ward off free radicals caused by sunlight

• Sunscreen produced in the USA

• Applies incredibly easily and absorbs easily despite having such a high Zinc content. SPF 30+

• Only sunscreen to ever pass Whole Foods Premium Care line requirements

• Does not have an obtrusive smell that many organic sunscreens have.

• Between the stability of the sunscreen, highest level of water resistance, and high molecular weight small amounts of the sunscreen go a long way and provide lasting protection.

• FDA Testing lab “We have not seen a sunscreen perform with this broad spectrum of UVA / UVB protection”

• Includes micronized Zinc, does not contain Nano particles or chemicals utilized for UV absorption

 • A member of the Safe Cosmetics Campaign Compact

Please note that the sunscreen contains a high molecular weight due to the percentage of Zinc Oxide. Small amounts of the sunscreen go a long way.