Is IPL Hair Removal Safe?
"IPL hair removal side effects are a common worry for women considering this popular treatment, but is it actually safe?"
If you're sick of the endless routine of shaving, waxing, or plucking, IPL (Intense Pulsed Light) hair removal could be just what you need. It promises smoother skin and longer-lasting results, which is probably why it's become so popular across the UK, with more women looking for convenient at-home alternatives.
According to MHRA guidance, IPL devices are regulated as medical devices in the UK, ensuring they meet safety standards when used correctly. However, like any cosmetic treatment, it’s important to understand the potential IPL hair removal side effects before you get started.
The good news? Most side effects are mild and temporary, especially when you follow proper safety protocols. In this comprehensive guide, we'll walk you through everything you need to know about IPL safety, so you can achieve silky-smooth skin with complete confidence.
Table of content
What is IPL Hair Removal?
"What exactly is IPL hair removal, and how does it work to give you smoother skin for longer?"
How IPL Works: The Science Behind the Treatment
IPL uses broad-spectrum light pulses that penetrate the skin to target the melanin (pigment) in your hair follicles. The light energy converts to heat, which damages the hair follicle and disrupts future growth. Over time, this results in finer, thinner hair and, eventually, long-lasting smoothness.
Why IPL is Gaining Popularity in the UK
IPL is becoming increasingly popular for several reasons:
- Non-invasive treatment: No needles, no cuts, just gentle pulses of light
- Long-lasting results: Unlike shaving or waxing, IPL actually reduces hair growth over time
- Cost-effective: At-home devices (£200-£450) eliminate ongoing salon costs
- Convenience: Treat yourself from the comfort of your own home
- MHRA regulation: Devices sold in the UK must meet strict safety standards
Common IPL Hair Removal Side Effects
"Curious about IPL side effects? While it's generally safe, there are a few temporary reactions like redness or mild irritation that can pop up. Here's what you can expect and how to handle them."
IPL hair removal works really well, but like any cosmetic treatment, it can have some short-term side effects. The great news is that most of these are mild, short-lived, and easy to deal with if you take care of them.
1. Redness & Mild Irritation (Mild)
What it feels like: Similar to mild sunburn or razor rash
Duration: Few hours to 24 hours
Why it happens: Heat from light pulses causes temporary inflammation
How to treat: Apply fragrance-free moisturiser or aloe vera gel to soothe irritation
2. Swelling or Bumps (Mild to Moderate)
What it looks like: Small raised areas resembling goosebumps around hair follicles
Duration: 24-48 hours
Why it happens: Hair follicles react to heat treatment
How to treat: Avoid tight clothing and excessive friction on treated areas
3. Skin Sensitivity (Mild)
What it feels like: Tenderness or slight tingling sensation
Duration: 1-2 days
Why it happens: IPL temporarily makes skin more reactive
How to treat: Skip harsh skincare products (retinoids, acids) for 24-48 hours
4. Dryness or Flaking (Mild)
What it looks like: Mild peeling similar to sunburn recovery
Duration: 2-5 days
Why it happens: Heat dehydrates the top layer of skin
How to treat: Apply gentle, non-comedogenic moisturiser regularly
5. Sun Sensitivity (Moderate)
What it means: Skin burns more easily than usual
Duration: Up to 1 week
Why it happens: IPL makes skin temporarily vulnerable to UV damage
How to treat: Wear SPF 30+ and avoid direct sun exposure for 48 hours minimum
When to Be Concerned
Contact a healthcare professional if you experience:
- Blistering or severe burns
- Prolonged redness (lasting more than 3 days)
- Signs of infection (pus, increasing pain, fever)
- Significant colour changes that don't fade
Less Common but Serious IPL Hair Removal Side Effects
"Curious about IPL side effects? While it's generally safe, there are a few temporary reactions like redness or mild irritation that can pop up. Here's what you can expect and how to handle them."
Most people experience only mild, temporary side effects, but there's a small risk of more serious issues. These are quite uncommon, especially when you follow proper precautions, but it's essential to be informed.

Burns or Blisters (Severe - <2% of users)
What it looks like: Red, painful patches or small blisters
Common causes :
- Using device on wet skin
- Settings too high for skin tone
- Overlapping pulses in same area
Prevention :
- Always start with lowest setting
- Ensure skin is clean and dry
- Never treat the same area twice in one session
Hyperpigmentation or Hypopigmentation (Severe - <3% of users)
What it looks like: Darkened patches (hyperpigmentation) or lightened spots (hypopigmentation)
Higher risk for: Darker skin tones (Fitzpatrick IV-VI)
Common causes: Sun exposure before/after treatment, incorrect settings
Prevention:
- Choose devices with skin-tone sensors
- Avoid sun exposure 2 weeks before and after
- Consider professional consultation for darker skin
Eye Damage (Very Rare - <0.1% of users)
What it involves: Discomfort, blurred vision, or in extreme cases, retinal damage
Common causes: Direct exposure without proper eye protection
Prevention :
- Never use IPL near eyes without proper protection
- Always wear provided safety goggles
- Use only face-specific devices around eye area

According to Dr. David Lim, a board-certified dermatologist, "What was only possible in a clinic a few years ago has become an effective and safe option for patients to undertake at the convenience and privacy of their own homes."
How to Minimise IPL Hair Removal Side Effects
"Want smooth results with fewer side effects? Proper IPL preparation and aftercare can make all the difference. Here's your complete safety guide."
Pre-Treatment Preparation (2 Weeks Before)
Sun Protection Protocol
- Avoid sun exposure for 2-4 weeks before treatment
- Use SPF 30+ daily, even on cloudy days
- Skip tanning beds completely
- Wait 4 weeks after any sunburn before treatment
Hair Preparation
- Shave 24 hours before treatment (don't wax or pluck)
- Avoid bleaching hair for 2 weeks prior
- Ensure hair is visible above skin surface
Skincare Adjustments
-
Stop using:
- Retinoids (3-7 days before)
- AHA/BHA acids (2-3 days before)
- Exfoliating scrubs (24 hours before)
- Do a patch test 24-48 hours beforehand
Immediate Post-Treatment Care (First 48 Hours)
Cool Down Protocol
- Apply cool compress for 10-15 minutes if needed
- Use aloe vera gel or fragrance-free moisturiser
- Avoid hot showers - lukewarm water only
- Skip saunas, steam rooms, and intense exercise
Protection Measures
- Wear loose, breathable clothing
- Apply SPF 50+ if going outdoors
- Cover treated areas when possible
- Avoid perfumed products on treated skin
Weekly Timeline: What to Expect
Timeline | What's Normal | Red Flags |
---|---|---|
0–2 hours | Redness, warmth, slight swelling | Severe pain, immediate blistering |
Day 1–2 | Mild sensitivity, possible bumps | Spreading redness, pus formation |
Day 3–7 | Light flaking, reduced sensitivity | Darkening/lightening patches |
Week 2+ | Hair shedding, smoother skin | Persistent discolouration |
Long-Term Success Tips
Treatment Spacing
- Wait 4-6 weeks between sessions
- Don't rush the process - patience pays off
- Track your progress with photos
Skin Health Maintenance
- Stay hydrated - drink 2+ litres of water daily
- Eat antioxidant-rich foods (berries, leafy greens)
- Use a quality moisturiser with ceramides or hyaluronic acid
- Get adequate sleep for optimal skin healing
IPL Hair Removal vs. Other Methods: Side Effects Comparison
"Tired of razor burns or waxing woes? Let's compare the side effects of IPL with traditional hair removal methods."
Method | Pain Level | Immediate Side Effects | Long-term Risks | Frequency | UK Cost |
---|---|---|---|---|---|
IPL | Mild (2–4/10) | Redness, sensitivity | Rare pigmentation changes | Every 4–6 weeks initially | £200–£450 (device) |
Waxing | High (7–9/10) | Redness, bumps, bruising | Ingrown hairs, skin damage | Every 3–6 weeks | £25–£60 per session |
Shaving | Low (1–2/10) | Razor burn, nicks, cuts | Ingrown hairs, skin irritation | Daily to every 3 days | £20–£50 annually |
Laser (Professional) | Moderate (4–6/10) | Redness, swelling | Pigmentation changes | Every 6–8 weeks | £100–£300 per session |
Epilating | High (6–8/10) | Redness, bumps, ingrowns | Skin damage, scarring | Every 2–4 weeks | £50–£150 (device) |
Best Overall: Value, Results, and Comfort Combined
IPL emerges as the winner for:
- Lowest long-term side effect risk
- Best value for money over time
- Reduced ingrown hair problems
- Convenience of home treatment
Who Should Avoid IPL Hair Removal?
"IPL isn't for everyone. Certain skin tones, conditions, or health factors may make it unsuitable. Here's how to know if it's right for you."
Skin Tone Considerations (Fitzpatrick Scale)
Skin Type | IPL Suitability | Recommendation |
---|---|---|
I–II (Very fair) | Excellent | Safe for home use |
III (Fair–Medium) | Good | Safe with proper settings |
IV (Medium) | Caution | Professional consultation advised |
V–VI (Dark) | Not recommended | Consider Nd:YAG laser instead |
Medical Conditions That Exclude IPL Use
Absolute Contraindications
- Active skin cancer in treatment area
- Pregnancy or breastfeeding (hormonal changes affect results)
- Photosensitive conditions (lupus, porphyria)
- Active infections or open wounds
Relative Contraindications (Seek Professional Advice)
- Diabetes (slower healing)
- Autoimmune conditions (unpredictable skin reactions)
- History of keloid scarring
- Active acne or eczema in treatment area
Medications That Increase Risk
Photosensitising Medications:
- Antibiotics (doxycycline, ciprofloxacin)
- Acne treatments (isotretinoin/Roaccutane)
- Antidepressants (St. John's Wort)
- Heart medications (amiodarone)
Always consult your GP if you're taking any medications before starting IPL.
Is IPL Hair Removal Worth the Risk?
After reviewing the evidence, IPL hair removal proves to be a safe and effective option for most women looking for long-term hair reduction. The side effects are generally mild, temporary, and easily managed with proper care, making it a convenient choice for many. If you have fair to medium skin with dark hair, want lasting results, and are committed to following aftercare, IPL is definitely worth considering.
However, it may not be suitable if you have very dark skin, light hair, or are pregnant or breastfeeding. It's also not recommended for those with active skin conditions or those taking photosensitising medications. When done right, IPL offers a brilliant balance of safety, effectiveness, and convenience, making it a top choice for hassle-free hair removal.