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Type: Article

Section: Cosmetic Ingredients > Actives

What’s Happening in Hair Damage, Protection and Repair

Hair damage from environmental and cosmetic treatments is a continuing concern. Efforts are under way to understand hair degradation and devise means to protect and repair hair from the damage. This short review is an attempt to summarize recent advances toward protecting and repairing human hair.

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How Damaged is Hair? Part I: Surface Damage

This article is the first of two that explores ways of capturing and quantifying the different forms of hair damage. Here, we begin with damage to the hair surface, or cuticle, while also exploring the implications of this occurrence. A second article will focus on damage to the internal cortex structure.

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Beauty is Universal: Multicultural Conditioning of Damaged Hair

Understanding the consumer hair care needs of diverse populations is increasingly critical. As consumers around the world continue to damage their hair by using thermal styling tools, chemical processes or colorants, restoring hair to a healthy state is a primary consumer need that appears to be universal.

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How a Kudzu Isoflavone Tonic Mitigates Female Hair Loss

Kudzu isoflavones were explored in vitro for the potential to signal the hair growth cycle in dermal papilla. Promising results led to the development of an anti-hair loss tonic using kudzu root extract, which was tested in vivo in 40 Chinese women.

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Is the Damage Done? Reduce and Repair Hair Color Damage

This article explores the main changes to hair after regular use of permanent hair colorants and how these changes impact noticeable hair properties such as feel, styling, breakage, etc. It then considers several strategies to reduce the damage caused during hair coloring, or to minimize the impact of damage post-coloring.

Kojic acid has become increasingly popular, as seen in Peace Out Skincare's Dark Spots Serum, featuring kojic acid alongside 3% tranexamic acid and alpha-arbutin.

2025 Beauty Ingredient Trend Preview: What’s Next?

From silk-derived biotech to microbiome sexual wellness and beyond, new ingredients point to future innovation opportunities.

What’s New in Skin Protection: A Periodical Review

The author reviews recent publications discussing the protection of human skin against photodamage, reactive oxygen species, and other skin health topics.

You Are What You Eat: Nutrient Ratio Affects Skin Structure

New research out of Australia and Norway shows, in a mouse model, how nutrition impacts the structure of skin. Interestingly, the ratio of nutrients had a larger impact than total intake; and the results were gender-dependent.

Science Exposed—What Should the Minimum Recommended SPF Be to Avoid Sunburn?

“Science Exposed” is a new column aimed at digging into industry controversies to strip them down to the scientific facts. Here, sun protection expert Brian Diffey, PhD DSc, critiques the current SPF test method.

A Sensitive Issue

This issue of Cosmetics & Toiletries magazine covers aspects of formulating for sensitive skin types, specifically addressing acne products.

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Is ‘Anti-pollution’ Just a Ruse?

Remember "naturals?" Where did they lead us? In some cases, to benefit-infused natural products but in others, to greenwashing and chemical-free claims. Enter anti-pollution.

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Study Shows How Eczema is Genetic

A study published in Genome Biology and Evolution found that atopic dermatitis (eczema) is likely to hitchhike a ride with mutated hornerin and make the skin disease genetic.

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The Perplexing Topic of Hair 'Type': How Do We Classify Hair?

Most hair-related properties and issues can be rationalized by fiber size and shape, and/or the consequences of extreme conditions. However, the varying reactivity of different hair types with chemical treatments suggests potential differences in structure.

UVA Skin Protection: Issues and New Developments

Photoinduced degradation and activity in chemical and mineral UV-absorbing actives results in a decrease in UVA protection during topical use, with a corresponding risk of skin pathologies in the user. New developments in UV absorbers are shown to maintain a stable, high level of UVA protection during use.

Exosomal Beauty is Here: Small, but Mighty

Beauty ingredient suppliers and brands are tapping tiny, powerful particles to rejuvenate the hair and skin.

UVA Skin Protection: Issues and New Developments

Photoinduced degradation and activity in chemical and mineral UV-absorbing actives results in a decrease in UVA protection during topical use, with a corresponding risk of skin pathologies in the user. New developments in UV absorbers are shown to maintain a stable, high level of UVA protection during use.

Topically-Applied Soy Isoflavones Increase Skin Thickness

The placebo-controlled study in humans has shown that soy isoflavones have a potent effect on the improvement of skin thickness in aged skin. The authors discuss the possible mechanisms of action.

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‘Preservative-Free’dom: Isopentyldiol as an Auxiliary Antimicrobial*

Concerns over the safety of conventional preservatives such as parabens have given rise to consumer demand for “preservative-free” formulas. The present article proposes the use of isopentyldiol as an auxiliary preservative to bolster non-traditional preservatives and meet this market demand.

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