Ingredient

ACID

Neutral in 1

What is ACID?

The term 'acid' generally refers to any chemical compound that donates protons or hydrogen ions and/or accepts electrons. Commonly found as part of larger compounds, these substances vary widely in their function and form. Acids can be derived from both organic and inorganic sources.

In product formulations, acids serve to adjust pH levels, ensuring product stability, effectiveness, and comfort during use. Despite the generic term, specific acids have unique properties and safety profiles. Products like cosmetics may use acids for pH balancing or as active components like hyaluronic acid known for its moisturizing properties.

When you see 'acid' on a label, it's important to identify the specific type to understand its purpose and safety. Compounds like hyaluronic acid are generally considered safe for topical use, while others might warrant caution at higher concentrations.

Commonly found in: cosmetics, cleaning products, food preservatives, pH adjusters, skin care formulations

What to watch

  • Some acids can be irritating to skin or eyes in high concentrations.

Benefits

  • Certain acids are beneficial for skin hydration and improving texture.
FDA

The FDA regulates acids depending on their specific use in formulations, assessing safety concentrations.

Research

Research shows varied effects of acids depending on their type and application, with some being beneficial and others potentially irritating.

Vegan

While many acids can be synthetically derived or plant-based, some may have animal-derived sources, requiring verification for vegan claims.

Sources: Overview of Cosmetic Ingredient Review on Acids

Scout's take

The term 'acid' is non-specific and could refer to various acids used in cosmetics. It typically acts as a pH adjuster or exfoliant.

The case against

Potential for irritation depending on the specific acid used.

from the analysis of The Honest Company Sensitive Face + Body Lotion Fragrance Free

The case for

May help in pH balancing or exfoliation, depending on the type.

from the analysis of The Honest Company Sensitive Face + Body Lotion Fragrance Free

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