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64 Results

Type: Article

Section: Testing > Safety/Stability

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Free Formaldehyde Preservative Stability in Personal Care: Part I—Water

As scrutiny of formaldehyde-donor (FD) and other preservative technologies has increased in recent years, additional assurances of the relative safety and benefits of FD technologies are required. This two-part article examines the effects of temperature and pH on free-formaldehyde levels (as detected by C-13 NMR), first in water, then in personal care formulations.

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Free Formaldehyde Preservative Stability in Personal Care: Part II—Formulations

As scrutiny of formaldehyde-donor (FD) and other preservative technologies has increased in recent years, additional assurances of the relative safety and benefits of FD technologies are required. This two-part article examines the effects of temperature and pH on free-formaldehyde levels (as detected by C-13 NMR), first in water, then in personal care formulations.

Tree of Life design copyright James Fergus

A Tale of Tattoos, Toxicology and Black Henna

Ingredient safety and skin reactions relate not only to companies producing the pigments and inks used for tattooing, but also skin care product manufacturers in general—after all, I apply sunscreen and moisturizer to my tattooed skin.

Shaving And Its Effects On Percutaneous Absorption In The Skin

Shaving and its Effects on Percutaneous Absorption in the Skin*

Despite its being an area of concern for many years, the percutaneous absorption of cosmetics has not been rigorously studied. Additionally, the effects of shaving on this process are relatively unknown. An overview of recent research reveals that more research in this area is required.

IFSCC 2014 Explores Social, Psychological and Sensorial Aspects of Beauty

As one might expect from an event centered around beauty and staged in Paris, the 28th Congress of the International Societies of Cosmetic Chemists (IFSCC) was nothing less than fabulous. However, the glamour and fanfare was deeply rooted in science.

Formulating Within Regulatory Constraints

Regulations incite mixed emotions. On the one hand, they constrain innovation; on the other hand, they can force a new and better solution. Updates on regulations and some solutions for them will be covered by Rob Ross-Fichtner, of Focal Point Research, at the June 22 and 23, 2015, Cosmetics & Toiletries Summit.

Vegetable-derived, mild and sustainable skin cleansing ingredients are in demand, and this has led to the development of new detergent structures.

Testing and Developing a Sugar-derived Surfactant Blend for Delicate Skin

Vegetable-derived, mild and sustainable skin cleansing ingredients are in demand, and this has led to the development of new detergent structures. Described here is a combination of two mild surfactants that fulfils these requirements using the concept of “interrupted soap” to impart mildness. Studies to verify the functional, sensorial and mild characteristics of the new blend are detailed.

Octocrylene Concerns Flag Industry's Attention

The industry reacts to a new study published in Contact Dermatitis reviews reports of the UV absorber octocrylene for its potential to cause photo contact allergy.

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Understanding Fragrance Allergy, Is Fragrance-free Always Necessary?

This article reviews studies to diagnose allergic contact dermatitis due to fragrance, including a patch test designed to measure such. Limitations of patch testing, the relevance of fragrance concentration in products, use testing of common consumer products, and dermatologist recommendations to manage fragrance contact allergy also are discussed.

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Sensitive Skin Syndrome: Methodological Approaches

Manufacturers of topical products perform rigorous testing to assure their products are safe for consumers. Of particular interest is determining whether products will irritate the skin of the approximately 50% of consumers surveyed who consider themselves to have “sensitive” skin. The present article describes three such irritancy tests.

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