It's a question we wish more people asked before starting laser hair removal.
Will laser hair removal actually work on my hair colour?
For blonde, grey and white hair, the answer is no. Traditional laser hair removal needs enough pigment in the hair for the laser energy to be effectively absorbed.
This matters because we've spoken with people who have undergone repeated laser treatments elsewhere without seeing meaningful hair reduction. Sometimes they've assumed they simply need more sessions.
The problem may be much simpler: the hair was never a good candidate for laser treatment in the first place.
Why Does Hair Colour Matter for Laser Hair Removal?
Laser hair removal relies on pigment.
The light energy produced by the laser is absorbed by melanin in the hair. That energy is converted to heat, which damages structures involved in producing the hair and can reduce future growth.
Dark, coarse hair provides a strong target because it contains plenty of pigment.
As hair becomes lighter, there is less melanin available to absorb the laser energy.
Grey and white hairs may contain very little or no melanin at all.
That's why buying a newer laser, increasing the number of treatments or choosing a particular brand of machine doesn't overcome the basic problem of a hair that lacks sufficient pigment.
Does Laser Hair Removal Work on Blonde Hair?
Usually, not well enough for us to recommend treating it.
"Blonde" can describe quite a range of hair colours. Some darker blonde hairs may contain enough pigment to respond, while very light blonde hair generally does not.
This is something we assess during a consultation rather than making a decision based simply on how someone describes their hair colour.
If we don't think there's enough pigment to produce a worthwhile result, we'd rather tell you before you purchase a treatment series.
Does Laser Hair Removal Work on Grey or White Hair?
Grey and white hairs are generally poor candidates for laser hair removal because they lack the melanin the laser needs to target.
This can become particularly noticeable as we age.
Someone may have a mixture of dark and grey hairs in the same area. The darker hairs may respond to treatment while the grey or white hairs remain.
Laser isn't selectively ignoring those hairs because they're more stubborn. They simply don't provide the same pigment target.
What About Red Hair?
Red hair can be more complicated.
Some darker auburn hair may contain enough darker pigment to respond, while true red, strawberry blonde and very light red hair often responds poorly to conventional laser hair removal.
Again, assessment matters.
Rather than promising that laser will or won't work based on a colour category alone, we look at the actual hair being treated.
Can You Laser Peach Fuzz on the Face?
This is an area where we're particularly cautious.
The very fine hair found on areas such as the cheeks, jawline and sides of the face is often vellus hair, commonly called peach fuzz.
It tends to be fine and lightly pigmented, making it a poor target for laser hair removal.
There's another reason to be cautious.
Laser and light-based hair removal have been associated with paradoxical hypertrichosis, an uncommon effect in which hair growth can increase rather than decrease following treatment. It has been reported particularly around the face and neck.
That doesn't mean every fine facial hair will become thicker after laser treatment.
It does mean that treating hair simply because it's there isn't necessarily a good idea.
Can Laser Make Facial Hair Growth Worse?
In some circumstances, it can.
Paradoxical hypertrichosis is one of the reasons candidate selection is particularly important when treating facial hair.
We pay attention to the colour, thickness, density and location of the hair before deciding whether laser makes sense.
Coarse, dark hairs on the chin, for example, are very different laser targets from fine, lightly pigmented hairs covering the cheek.
Both may be described by a client as "facial hair."
We wouldn't necessarily treat them the same way.
Why Do Some People Have Laser Hair Removal Without Getting Results?
Hair colour is only one possible explanation.
Poor results can also be influenced by the type of hair being treated, treatment settings, treatment intervals, hormonal influences and whether hairs were treated during an appropriate stage of their growth cycle.
But sometimes the explanation really is straightforward.
The hair doesn't contain enough pigment.
Continuing to perform treatment after treatment doesn't change that.
How Do You Know If You're a Good Candidate for Laser Hair Removal?
This is why we believe a proper consultation should happen before committing to a laser hair removal program.
We look at the actual hair.
We're interested in its colour, thickness, density and location. We also want to know about previous treatments and whether there may be hormonal factors influencing growth.
Sometimes the answer is easy: someone has coarse, dark hair that is very well suited to laser hair removal.
Other times it's less clear.
And occasionally the most useful thing we can tell someone is:
We don't think you should spend your money on laser.
That's part of providing the treatment responsibly.
What Can You Do About Blonde, Grey or White Hair Instead?
If laser isn't appropriate, that doesn't necessarily mean you're out of options.
For individual blonde, grey or white hairs, electrolysis may be worth investigating because it doesn't depend on melanin in the same way laser hair removal does.
Traditional methods such as shaving, trimming, waxing or threading may also make more sense depending on the area and amount of hair involved.
We don't believe in substituting another treatment simply for the sake of selling one.
Sometimes laser is an excellent solution.
Sometimes it isn't.
So, Does Laser Hair Removal Work on Light Hair?
For dark, coarse hair, laser hair removal can produce excellent long-term hair reduction.
For very light blonde, grey and white hair, there generally isn't enough pigment for conventional laser hair removal to provide the results we're looking for.
Red hair and darker blonde hair require more individual assessment.
And when it comes to very fine facial peach fuzz, we're particularly conservative about recommending treatment.
The important part is figuring this out before you've paid for months of treatments.
Not Sure If Your Hair Can Be Treated?
You're welcome to show us.
At Glow Luxe Skin Care in Victoria, BC, we'll assess your hair and explain whether we think laser hair removal is likely to give you a worthwhile result.
And if we don't think you're a good candidate, we'll tell you.
Call 250.590.5459 or text 250.889.7549 to arrange a complimentary consultation.
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