What Is Cloflucarban?
Cloflucarban is a synthetic antimicrobial compound derived from two chlorinated phenyl rings joined by a urea bridge, one of which also carries a trifluoromethyl group. This chemical makeup gives the molecule strong bacteria-fighting power while remaining stable in water-based formulas. First investigated in the 1960s as a hygiene booster for bar soaps, it quickly gained popularity when formulators realized it could curb odor-causing microbes at very low concentrations. Large-scale production begins with chlorination of specific phenyl precursors, followed by controlled reaction with phosgene to create the urea linkage, then purification to cosmetic grade. Today manufacturers blend cloflucarban into rinse-off cleansers, deodorant sticks, body washes, hand soaps, facial cleansing bars and occasionally clarifying body scrubs where long-lasting freshness is a selling point.
Cloflucarban’s Cosmetic Benefits/Uses
In personal care products cloflucarban serves two main roles that work hand in hand to keep skin feeling clean and fresh.
- Antimicrobial: Targets bacteria on the skin surface which helps limit the growth of organisms that lead to unwanted odor and product spoilage, allowing formulas to stay effective for longer and giving users a cleaner feel after washing
- Deodorant: By suppressing odor-producing microbes it directly reduces body odor, making it a valuable addition to deodorant sticks and cleansing bars aimed at long-lasting freshness
Who Can Use Cloflucarban
Cloflucarban is generally suitable for normal, oily and combination skin because it helps keep bacterial buildup in check without leaving a heavy residue. People with very dry or highly sensitive skin may notice tightness or mild irritation if they use it frequently since its germ-killing action can also strip some of the skin’s natural flora and oils.
The ingredient is fully synthetic and contains no animal-derived substances so it aligns with vegan and vegetarian values. Final formulations may still be subject to animal testing depending on regional regulations, so label-conscious shoppers should check the brand’s policy.
No specific warnings exist for pregnant or breastfeeding women regarding topical cloflucarban at the low levels used in cosmetics, though robust safety studies in these groups are limited. This article is not medical advice; anyone who is expecting or nursing should run new products past a qualified healthcare provider for personalized guidance.
Cloflucarban is not known to cause photosensitivity and it does not react with sunlight, so it will not make skin burn more easily. It also rinses off cleanly which lessens residue-related concerns for acne-prone users.
Potential Side Effects/Adverse Reactions
Responses to topical cloflucarban can vary from person to person. The points below outline potential side effects that could occur even though most users experience none when the ingredient is formulated and used correctly.
- Skin irritation mildly itchy or stinging sensation, especially on compromised or freshly shaved skin
- Dryness or tightness due to reduction of surface oils and disruption of the skin’s normal bacterial balance
- Contact dermatitis red, inflamed patches triggered by an allergy to the molecule itself or to accompanying fragrance or surfactants in the formula
- Exacerbation of existing eczema or psoriasis when used too frequently on already inflamed areas
- Alteration of skin microbiome prolonged overuse could disturb the natural mix of helpful microbes which may lead to rebound odor or irritation once the product is stopped
If any uncomfortable reaction develops discontinue use right away and seek advice from a healthcare professional
Comedogenic Rating
Rating: 0 (non-comedogenic)
Cloflucarban is used in very low amounts and is designed to wash away rather than sit on the skin. It has no oily or waxy components that could block pores so current data place it at the bottom of the comedogenic scale.
Because it does not clog pores it is generally considered suitable for people who are prone to acne or frequent breakouts.
As with most rinse-off antimicrobials, any risk of pore blockage comes more from the overall formula than from cloflucarban itself.
Summary
Cloflucarban works as an antimicrobial and deodorant, killing or suppressing odor-causing bacteria so cleansers and deodorant products keep skin feeling fresh. Its chemical structure lets it stay stable in water-based formulas while being effective at very small doses.
Once a common pick for antibacterial bar soaps, its use has declined as brands explore newer actives and meet shifting regulatory limits, yet it still appears in some deodorant sticks and specialty washes where long-lasting freshness is a key claim.
Safety reviews show it is well tolerated by most users when applied topically at cosmetic levels. Nonetheless everyone’s skin is unique so it is smart to patch test any new product containing cloflucarban before regular use.