What Is Citric Acid?
Direct Answer
Citric acid is a weak organic acid used in wipe liquids to adjust pH toward the skin’s natural slightly acidic level (about 5.5).
Key Takeaways
- Citric acid is a weak organic acid used in wipe liquids to adjust pH toward the skin’s natural slightly acidic level (about 5.5).
- How it works: Citric acid buffers the wipe solution to a skin-friendly pH, helping maintain the acid mantle that protects against irritation and bacterial overgrowth..
- pH-balanced wipes with citric acid
- Citric acid does not disinfect by itself — it is a pH adjuster
How Citric Acid Works
Citric acid buffers the wipe solution to a skin-friendly pH, helping maintain the acid mantle that protects against irritation and bacterial overgrowth.
Examples and Applications
- pH-balanced wipes with citric acid
- Wipes labeled “skin-neutral pH” using citrate buffering
Citric Acid vs. Related Terms
| Term | What it is | Key difference |
|---|---|---|
| Lactic acid | Citric Acid | Both adjust pH; lactic acid also adds mild hydration |
Limitations and Common Misconceptions
- Citric acid does not disinfect by itself — it is a pH adjuster
- More acidic is not better; the target is the natural skin pH range
Why is citric acid used in wipes?
It buffers the liquid to a slightly acidic pH close to skin’s natural level, which supports the skin barrier and reduces irritation risk.
References
- JP CIA (industry) - Baby diaper material: key components and their functions — 行业媒体 (accessed 2026-08-02)
- CDC - Personal Hygiene and Diapering — CDC (accessed 2026-08-02)