What to Expect at Your First Keratin Treatment at La Libertine Hair in Sydney CBD

Sydney’s humidity is beautiful – until it turns your carefully styled hair into a frizzy, unmanageable mess by the time you step off the train at Town Hall. If you’ve been battling frizz, spending too long at the mirror every morning, or simply dreaming of waking up with smoother, more manageable hair, a keratin treatment in Sydney might be exactly what you’ve been looking for.

At La Libertine Hair, located inside the Sheraton Grand Sydney Hyde Park, our senior stylists have been transforming hair with professional keratin treatments for over a decade. Whether your hair is wavy, frizzy, thick, or colour-treated, a keratin treatment can genuinely change your morning routine – and your confidence.

If it’s your first time, it’s completely normal to have questions. What happens during the appointment? How long will it take? What do you need to do afterwards? This guide walks you through every single step so you arrive prepared, relaxed, and ready to leave with the smoothest hair of your life.

What Is a Keratin Treatment?

A keratin treatment is a professional hair smoothing treatment that works by infusing the hair shaft with a keratin protein formula, which is then sealed in using heat. The result is dramatically reduced frizz, improved shine, easier blow-drying, and hair that behaves far better in humid conditions.

It’s important to understand that a keratin treatment is not a permanent straightener. It doesn’t chemically alter the structure of your hair the way a relaxer does. Instead, it smooths and conditions the hair from the inside out, softening your natural texture and eliminating frizz while still allowing some natural movement. Results typically last between three and five months, depending on your hair type and how well you care for the treatment afterwards.

Think of it as the most luxurious, long-lasting conditioning treatment your hair has ever had – one that also happens to cut your morning styling time in half.

Is a Keratin Treatment Right for You?

Keratin treatments work beautifully on a wide range of hair types. You’re an ideal candidate if you have:

• Wavy or frizzy hair that expands in humidity
• Thick or coarse hair that takes forever to blow-dry
• Colour-treated or highlighted hair that has become dry or porous over time
• Hair that’s difficult to manage and requires excessive heat styling daily

If you’re unsure whether your hair is suitable, don’t worry. At La Libertine Hair, every keratin appointment begins with a thorough consultation. Our stylists Ivan and Sam will assess your hair’s condition, texture, and history before recommending the right approach for your specific needs. No two heads of hair are the same, and we treat them accordingly.

How Long Does a Keratin Treatment Take at La Libertine Hair?

One of the most common questions we get is about timing. Keratin treatments do require a dedicated block of time – this is a professional process that cannot be rushed, and cutting corners will compromise your results. Here’s a breakdown of our appointment lengths and pricing:

The good news? You’ll be spending that time in one of Sydney’s most beautiful salon settings – inside the Sheraton Grand Sydney Hyde Park, where you can sit back, relax, and let our team do what they do best. Many of our clients tell us the appointment feels more like a luxury spa experience than a trip to the hairdresser. By the time you leave, you’ll understand why.

Step-by-Step: What Happens During Your Appointment

Here’s exactly what to expect from the moment you walk through our doors.

Step 1 – Consultation

Your appointment begins with a one-on-one consultation with your stylist. This is where we get to know your hair – its history, its challenges, and what you’re hoping to achieve. We’ll discuss:

• Your hair type and current condition
• Any previous chemical treatments (colour, bleach, relaxers)
• Your lifestyle and maintenance routine
• Realistic expectations for the end result

This step matters. A good keratin treatment starts with an honest conversation, and we’ll always tell you upfront if we think a different treatment might suit your hair better.

Step 2 – Hair Wash

Once we’ve mapped out the plan, your hair is washed with a deep-cleansing clarifying shampoo. This is an important step that many people overlook – the clarifying wash removes any product buildup, oils, and residue from the hair, which allows the keratin formula to penetrate the hair shaft as deeply and evenly as possible. Clean hair equals better results.

Step 3 – Keratin Application

With your hair clean and slightly damp, your stylist will begin applying the keratin formula section by section, working methodically from root to tip to ensure even coverage. The formula is then left on the hair for around 20 to 30 minutes to absorb fully into each strand.

This is your moment to relax. Sit back, have a coffee, scroll your phone, or simply enjoy the calm of the salon. We’re inside the Sheraton Grand – there are far worse places to spend half an hour.

Step 4 – Blow-Dry and Flat Iron

This is where the transformation really happens. Once the keratin has absorbed, your stylist will begin blow-drying your hair smooth, and then work through it section by section with a flat iron at a precise high temperature. The heat is what seals the keratin into the hair cuticle, locking in all of that smoothing, conditioning goodness permanently – at least until it naturally grows out over the coming months.

You’ll notice the difference immediately. As each section is flat-ironed, the hair becomes visibly sleeker, shinier, and smoother right before your eyes.

Step 5 – The Reveal

The flat iron passes are complete, and you’re handed a mirror. This is one of our favourite moments in the salon – watching a client see their results for the first time. The hair is smooth, glossy, and frizz-free, with a healthy shine that reflects light beautifully.

Before you leave, your stylist will take you through your aftercare instructions in detail. This is important – the way you treat your hair in the first 72 hours makes a significant difference to how long your results last.

What to Do Before Your Appointment

A little preparation goes a long way. Here’s how to get the most out of your keratin appointment:

• Wash your hair the night before or the morning of your appointment, using your regular shampoo. Avoid applying any serums, oils, or leave-in conditioners afterwards
• Wear a button-up or zip-up top rather than something you pull over your head – it makes the process easier and protects your clothing
• Clear your schedule for the full appointment duration. Arriving rushed or leaving early won’t do your results any favours
• Avoid heavy product use in the days leading up – the cleaner your hair, the better the treatment absorbs

Keratin Treatment Aftercare – The Key Rules

The aftercare period is just as important as the treatment itself. Follow these guidelines and your results will last significantly longer:

• Do not wash your hair for 72 hours after your treatment. This gives the keratin time to fully set and bond to the hair shaft
• Avoid tucking hair behind your ears, using hair ties, or wearing clips for the first 48 hours – any pressure can create dents or kinks that become permanent while the keratin is still setting
• Switch to a sulfate-free shampoo and conditioner. Sulfates strip keratin from the hair far faster than anything else. This single switch can extend your results by weeks
• Avoid saltwater and chlorinated pools where possible, or wear a swim cap – both are harsh on keratin-treated hair
• Sleep on a silk or satin pillowcase to reduce friction and keep your hair smoother for longer
• Limit heat styling where you can – one of the great joys of a keratin treatment is that you won’t need to. Embrace it

With good aftercare, most clients enjoy their results for three to five months before booking their next treatment.

Why Choose La Libertine Hair for Your Keratin Treatment in Sydney?

There are plenty of salons offering keratin treatments across Sydney. Here’s what makes La Libertine Hair different.

We’re located inside the Sheraton Grand Sydney Hyde Park at 161 Elizabeth St, which means from the moment you walk in, the experience is a level above your average salon visit. Our stylists have over ten years of experience and have trained internationally – they understand hair at a level that simply comes with time and dedication.

We believe in personalised service. We don’t rush appointments, we don’t cut corners on process, and we’re always transparent about pricing – what you see is what you pay. Short hair starts at $300, medium at $350, and long at $400, with no hidden fees or surprise add-ons at the end.

Our clients include Sydney CBD professionals who rely on us for results they can count on week after week, brides preparing for the most photographed day of their lives, and guests of the Sheraton Grand who discover us and become regulars long after they’ve checked out.

Ready to Book Your Keratin Treatment in Sydney?

Your smoothest hair is waiting. Whether you’ve been thinking about a keratin treatment for months or you’ve only just discovered what it can do, the team at La Libertine Hair is ready to make it happen.

Book your appointment online here: Book Now

Or give us a call at 02 9592 0822 – we’d love to hear from you.

La Libertine Hair
Sheraton Grand Sydney Hyde Park
161 Elizabeth St, Sydney NSW 2000

Walk in with frizz. Walk out with your best hair ever.