Ingredient
PABA
What is PABA?
Para-aminobenzoic acid (PABA) is an organic compound that is often found in hair and skin care products and dietary supplements. It is a naturally occurring substance that can be synthesized chemically for use in various applications.
PABA is used primarily in sunscreen products due to its ability to absorb ultraviolet (UV) light. However, its use in sunscreens has declined due to concerns about skin allergies and sensitivity. In supplements, PABA is sometimes marketed for its potential benefits in hair health, although evidence for these uses is not well-established.
When found on a label, PABA can be a point of concern for those with sensitive skin, as it may cause allergic reactions or irritation in some individuals.
Commonly found in: Sunscreen, Hair care products, Dietary supplements, Skincare products
What to watch
- PABA can cause allergic reactions in some individuals.
- There is potential for skin irritation, especially in sensitive skin.
Benefits
- PABA can block ultraviolet (UV) light, which may help in protecting skin from sun damage.
PABA is not approved as a sunscreen active ingredient by the FDA due to safety concerns, but it is still used in other personal care products.
Research on PABA's health benefits is limited and mixed, particularly concerning its supplement use for health benefits beyond sun protection.
PABA is typically considered vegan as it is synthesized chemically or derived from non-animal sources.
Sources: Scientific Overview of PABA
Scout's take
Para-aminobenzoic acid; B-vitamin complex member with minimal evidence of supplementation benefit.
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