What Are Pores?


by Amanda Foxon-Hill In the cosmetic world we talk about Pores often whether it be to give them a deep cleanse, to avoid clogging them or to shrink them into obscurity (without resorting to Photoshop).  When I was teaching this weekend I had to stop and explain what pores are and while I knew, I found my explanation was a little clunky and dis-jointed. Feeling that pores may be something we … [Read more...]

“Safe” Chemicals Used In Makeup and Skincare Doubles Cancer Risk

A fisheye image of a scared woman biting her nails.

by Katherine Corkill Banging The Chemicals Cause "Cancer" Drum Is So Tired! Well I had hoped to not be broaching this subject yet again.  However there was an article that I took exception to this month that was written by a gal in the UK for the Epoch Times.  My particular concern is through her attempted proclamations of fact there was not a single link to support her objective. I have … [Read more...]

Three Scientific Studies Agree – UV Nail Lamps Are Safe!

Manicure - Beautiful manicured woman's nails with violet nail po

Doug Schoon, M.S. Chemistry President, Schoon Scientific Dana Point, CA, USA   Three scientific studies have been performed by different laboratories, all reaching the similar conclusions - UV nail lamps are safe as used in nail salons! Study 1 was performed by an independent laboratory, Lighting Sciences[1] (July, 2010). This study measured the UV output of two widely sold … [Read more...]

Tonicity’s Effects on Cells


I enjoy writing articles periodically about more serious science topics that play into developing a better understanding of cosmetics. This one is on tonicity. Tonicity refers to the affect of a solution on a cell. A solution  is a mixture of two or more substances in which one (a solute) is dissolved in the other (a solvent). So a solute is the substance that is dissolved in a solvent to form a … [Read more...]

Spotlight on Sun Protection from In-Cosmetics: part 4: Australia & India


In the 4th and final post in the Spotlight on Sun Protection series, we'll take a look at Australia, New Zealand & India and wrap up with some final thoughts on this series and manufacturing sunscreens. If you've just discovered the spotlight on sun protection series, you can click the links to take a look at part 1, where we covered sunscreen regulations in the USA, part 2: the EU and part 3: … [Read more...]

In-Cosmetics: Solar Beauty in Barcelona

Lotion apply

In just a few weeks, I’ll be traveling to Spain for the In-Cosmetics conference in Barcelona on April 17-19. In-Cosmetics is the leading global business platform for cosmetic ingredients, and will be showcasing a diverse range of innovative ingredients and technologies in the personal care industry. Since Personal Care Truth focuses on educating our readers, I’ll be sharing what I learn at the … [Read more...]

Rats: Test Results That Don’t Apply to Humans

small rat

Rats are often used in laboratory experiments. The Office of Technology Assessment estimates that between 3.4 and 3.7 million rats are killed annually in research laboratories, and estimates from other sources range as high as 23.6 million every year.1 Rats differ markedly from humans in many respects, making rat experiments difficult to extrapolate to humans. Species Differences in … [Read more...]

The Hair Smoothing Controversy


Ask Doug Schoon what he thinks about the recent Hair Smoothing controversy and he'll say the following, which may be freely quoted, posted or distributed: I'm a scientist and chemist that has been researching and writing about salon product safety for over 20 years and have studied the use of Formalin in cosmetics and personal care products. I've been researching Formalin containing hair … [Read more...]

Doug Schoon Responds to Misleading Claims by Oregon OSHA That “Methylene Glycol” Is a Synonym For “Formaldehyde”


Ask Doug Schoon why Oregon OSHA confuses Methylene Glycol with Formaldehyde and he'll reply: "Oregon OSHA is quoting the "regulations", but their scientists know the regulations are contrary to the scientific facts and have recently told me this! In reality, Methylene Glycol and Formaldehyde are very different, both chemically and physically! Methylene Glycol is a liquid; Formaldehyde is a … [Read more...]

Aromatherapy :: Why Plants Smell

Understanding why plants contain essential oils is helpful to fully understand the amazing power of aromatherapy. Plants smell for two main reasons, defense and attraction. The aromatic oils promote a plant’s growth, aid in reproduction by attracting insects, repelling predators and protecting them from disease. As a defense mechanism some leaves, roots and barks have smelly molecules that are … [Read more...]