G6PD Ingredient Glossary: What to Avoid

Navigating skincare ingredients when your child has G6PD deficiency can be overwhelming, but knowing exactly what to avoid is the first step to safety.

G6PD (Glucose-6-Phosphate Dehydrogenase) deficiency is a genetic condition where the body lacks an enzyme that protects red blood cells from oxidative stress. When exposed to certain triggers, these cells can break down prematurely, leading to hemolytic anemia. While dietary triggers like fava beans are well-known, many parents are unaware that certain topical skincare ingredients can also induce oxidative stress. This comprehensive glossary outlines the key ingredients to avoid and explains why they pose a risk.

Camphor & Menthol

Often found in cooling gels, muscle rubs, and anti-itch creams, camphor and menthol are potent oxidative agents. When absorbed through the skin, especially in infants with a thinner skin barrier, they can trigger a hemolytic crisis in individuals with G6PD deficiency. Always check labels for these ingredients, even in products marketed as "natural" or "herbal."

Salicylic Acid & Aspirin Derivatives

Salicylic acid is a common ingredient in acne treatments, exfoliating cleansers, and some anti-dandruff shampoos. Because it is chemically related to aspirin (acetylsalicylic acid)—a known G6PD trigger—it poses a significant risk of inducing oxidative stress when applied topically. Avoid any products containing salicylates.

Synthetic Fragrances & Dyes

Many artificial fragrances and colorants contain complex chemical compounds, including naphthalene derivatives, which are highly toxic to those with G6PD deficiency. Naphthalene is the active ingredient in mothballs, a well-documented trigger. Opt for fragrance-free products or those scented only with safe, pure essential oils.

Certain Legume Extracts

While fava beans are the most famous dietary trigger, some skincare products use extracts from other legumes, such as soy protein or peanut oil. While the risk from topical application is lower than ingestion, cross-reactivity and trace oxidative compounds mean it is safer to avoid legume-derived ingredients in skincare for G6PD individuals.

Ms. Chu's Safe Alternatives

At Ms. Chu, we understand the anxiety of finding safe products. Our entire baby and sensitive skin lines are rigorously audited to be 100% G6PD-safe. We use gentle, non-oxidative botanicals like Calendula, Chamomile, and Zinc Oxide to soothe and protect the skin without any hidden risks.

References

1. G6PD Deficiency Foundation. (2022). Drugs and Chemicals to Avoid.
2. Journal of Pediatrics. (2020). Topical absorption of oxidative agents in infants.