Good laser hair removal aftercare is what turns a decent result into a great one. At Miami Lakes Med Spa in Miami Lakes, FL, we use the Candela GentleMax Pro Plus — a gold-standard device with both a 755nm alexandrite laser and a 1064nm Nd:YAG laser. But even the best laser can’t do its job if your skin isn’t prepped right or if you make common mistakes afterward.

The rules are simple, and once you know them, they’re easy to follow. Sun, retinoids, and heat are the three biggest culprits behind irritation, dark spots, and slower results. This guide walks you through what to avoid, why it matters, and how to protect your skin between sessions.

Whether you’re driving in from Hialeah, Miami Gardens, Miramar, Pembroke Pines, or Doral, our team led by Dr. Sabrina Gonzalez, DNP, APRN and medical director Dr. John Serpa, MD will walk you through every step.

How Laser Hair Removal Works (and Why Aftercare Matters)

Laser hair removal uses a process called selective photothermolysis. In plain terms, the laser sends light energy that targets the pigment (melanin) in your hair follicles. The heat damages the follicle so it stops growing new hair.

Here’s the catch: melanin also lives in your skin. If your skin is tan, sunburned, or irritated, the laser can grab pigment where it shouldn’t. That’s why sun, retinoids, and heat can turn a safe session into a risky one.

Think of your skin like a canvas. The laser works best on a calm, undisturbed surface. Anything that inflames or darkens your skin — even a little — makes the target less clear and raises the risk of side effects like burns, blisters, or dark patches.

Before Laser Hair Removal: What to Avoid

The two weeks leading up to your session set the stage for a smooth treatment. Here’s what to skip before laser hair removal:

• Sun exposure and tanning beds: Avoid for at least 2 weeks. A tan (even a light one) raises the risk of pigment changes and burns.
• Self-tanner and spray tans: These add pigment to your skin that confuses the laser. Stop using them 2 weeks out.
• Waxing, plucking, threading, or epilating: These pull the hair from the root. The laser needs the follicle intact to work. Stop 4 weeks before your session.
• Retinoids and retinol: Tretinoin, Retin-A, and OTC retinols thin the top layer of skin. Stop 3-5 days before treatment.
• Strong acids and exfoliants: Glycolic acid, salicylic acid, and physical scrubs should pause 3-5 days out.
• Certain medications: Some antibiotics and acne meds cause light sensitivity. Tell your provider what you’re taking.
• Isotretinoin (Accutane): Wait at least 6 months after finishing before starting laser treatments.

Do this instead: shave the area 12-24 hours before your appointment. Shaving keeps the follicle in place while removing the surface hair, which is exactly what the laser wants.

Laser Hair Removal Aftercare: The First 48 Hours

Your skin will feel a bit warm right after treatment — similar to a mild sunburn. Some redness or small bumps around the follicles are normal and usually fade within a few hours. Here’s how to help your skin bounce back fast:

• Skip the sauna, steam room, and hot tub for 24-48 hours. Heat can worsen redness and raise the risk of irritation.
• Avoid hot showers — lukewarm water only for the first day.
• Pause intense workouts for 24 hours. Sweat plus heat plus friction is a bad combo on freshly treated skin.
• Wear loose clothing over treated areas to prevent rubbing.
• Apply a cool compress or aloe vera gel if you feel warm or tender.
• Skip deodorant for 24 hours after underarm treatments.
• No swimming pools or the ocean for 48 hours — chlorine and salt water can sting.

Don’t pick at any small scabs or bumps if they show up. Let them heal on their own to avoid dark spots or scarring.

Laser Care Instructions for the Weeks Between Sessions

Between sessions, your job is to keep skin calm and protected. These laser care instructions apply for the full 6-session series and beyond:

• Use broad-spectrum SPF 30+ every day on any treated area exposed to sun. This is non-negotiable in Miami’s climate.
• Skip tanning — sun, beds, and self-tanner — for the entire course of treatment.
• Restart retinoids after 5-7 days, once redness is fully gone.
• Shave between sessions — never wax, pluck, or thread. This is the single most common mistake we see.
• Moisturize daily with a gentle, fragrance-free lotion.
• Stick to your schedule. Hairs grow in cycles, and the laser only affects follicles in the active growth phase. Missing appointments means missing hairs.

Most patients come back every 4-6 weeks for face and every 6-8 weeks for body. Our team will map out your exact schedule during your free consultation.

Why Miami Lakes Med Spa Is Different

We built our laser hair removal program around three things: the right device, the right providers, and honest pricing.

The Candela GentleMax Pro Plus is safe for a wide range of skin tones because it offers two wavelengths — the 755nm alexandrite laser for lighter skin and the 1064nm Nd:YAG laser for deeper skin tones. Every session is performed by a licensed medical provider under the oversight of medical director Dr. John Serpa, MD and lead injector Dr. Sabrina Gonzalez, DNP, APRN.

Our pricing is flat and transparent. Small areas start at $50 per session or $250 for a full 6-session package. Large areas run $195 per session or $950 for the package. Full body is $595 per session or $2,950 for 6 sessions. Every treatment qualifies for financing through Cherry, CareCredit, or Klarna.

With 2,000+ patients served, 10,000+ treatments performed, and a ~4.9★ Google rating, we’ve earned trust across Miami Lakes, Hialeah, Miami Gardens, Miramar, Pembroke Pines, and Doral.

Great results come down to great habits before and after each session. Avoid sun, retinoids, and heat around your appointments, shave (don’t wax) between sessions, and wear SPF every day. Do that, and the Candela GentleMax Pro Plus will do the rest.

Ready to start? Book your free consultation at Miami Lakes Med Spa in Miami Lakes, FL. Call 305-418-0392 or visit our booking page to schedule with Dr. Sabrina Gonzalez, DNP, APRN. We’re open Tuesday through Saturday, 10 AM to 5 PM, at 7980 NW 155th St, Suite A.

Last reviewed 2026. This content is for informational purposes and is not a substitute for professional medical advice. Individual results may vary — please consult with a qualified provider to see if laser hair removal is right for you.