Health
Dermatologists Weigh In on the Latest Hair Treatment Trending on Social Media

Health Points
- Hair botox is a deep conditioning treatment that uses proteins and nutrients to strengthen and smooth hair, not actual botulinum toxin
- The treatment can reduce frizz and add shine for 8-12 weeks, but results vary based on hair type and condition
- Professional salon treatments range from $150-$500, while at-home versions cost $20-$60 but require careful application
A hair treatment with a surprising name has been gaining attention across beauty circles, leaving many to wonder whether it lives up to the buzz. Despite its name, “hair botox” contains no actual botulinum toxin — the ingredient used in cosmetic injections to smooth wrinkles.
Instead, this deep conditioning treatment relies on proteins, vitamins, and nutrients to temporarily transform hair’s appearance and texture. The treatment has become particularly popular among women over 40 seeking to restore shine and manageability to aging hair.
Dr. Jennifer Chwalek, a board-certified dermatologist at Union Square Laser Dermatology in New York City, explains the science behind the treatment.
“Hair botox works by filling in gaps in damaged hair strands with proteins like keratin, collagen, and amino acids. This creates a smoother surface and can temporarily repair the appearance of damaged hair.”
The treatment typically lasts between 8 and 12 weeks, depending on hair type, washing frequency, and overall hair health. Unlike chemical straightening treatments, hair botox doesn’t permanently alter hair structure, making it a gentler option for those concerned about long-term damage.
Professional salon treatments can cost anywhere from $150 to $500, depending on hair length and salon location. The process usually takes 2 to 4 hours and involves applying the treatment, allowing it to penetrate the hair shaft, and sealing it in with heat from a blow dryer and flat iron.
For those interested in a more budget-friendly approach, at-home hair botox kits are available for $20 to $60. However, experts caution that results may not be as dramatic or long-lasting as professional treatments.
Dr. Michelle Henry, a board-certified dermatologist in New York City, notes important considerations before trying the treatment.
“While hair botox can provide beautiful results for many people, it’s essential to understand it’s not a permanent solution. Those with severely damaged hair may need multiple treatments to see significant improvement, and maintaining results requires proper aftercare.”
The ideal candidates for hair botox are individuals with frizzy, dry, or moderately damaged hair looking for a temporary smoothing solution. Those with extremely fine hair should proceed with caution, as the treatment can sometimes weigh down delicate strands.
Aftercare is crucial for extending results. Experts recommend using sulfate-free shampoos, avoiding excessive heat styling, and limiting washing to 2-3 times per week. Swimming in chlorinated pools or salt water can also diminish the treatment’s effects more quickly.
Some formulations may contain formaldehyde or formaldehyde-releasing ingredients, which have raised health concerns. The FDA has warned about potential risks associated with keratin treatments containing these substances, including eye and respiratory irritation.
Dr. Chwalek advises patients to ask detailed questions before booking an appointment.
“Always inquire about the specific ingredients in the treatment your salon uses. Reputable salons should be transparent about their products and willing to discuss any concerns you have about chemical exposure.”
For those dealing with thinning hair — a common concern for women over 40 — hair botox may provide a cosmetic benefit by making existing hair appear fuller and healthier. However, it doesn’t address underlying causes of hair loss or stimulate new hair growth.
The treatment differs from keratin treatments in several ways. While both aim to smooth hair, keratin treatments typically last longer (3-6 months) and may contain stronger chemicals that permanently alter hair structure. Hair botox is generally considered gentler and more focused on conditioning rather than straightening.
As with any beauty treatment, managing expectations is important. Hair botox won’t transform severely damaged hair into virgin hair overnight, but it can provide noticeable improvements in manageability, shine, and overall appearance for those with the right hair type and realistic goals.