When Sydney Sweeney stepped onto the red carpet for the premiere of Euphoria Season 3, her hair stole the spotlight. The actress wore a cascade of ultra‑glossy waves that combined classic bombshell volume with a modern, glass‑like shine. Behind that effortless glamour was a meticulous routine led by celebrity stylist Glen Oropeza and a lineup of high‑performance Kérastase products. Below is a step‑by‑step guide that breaks down the exact products, techniques, and tips that turned Sydney’s hair into a show‑stopping masterpiece.
The Signature Look: Sydney Sweeney’s Red‑Carpet Waves
Unlike the soft curls that often accompany a glamorous evening look, Sydney’s waves were defined by:
- Deep, even shine that reflected every angle of the spotlight.
- Soft, brushed‑out curls that maintained volume without frizz.
- Length that flowed naturally, giving the appearance of effortless movement.
These elements combined to create a look that was both timeless and contemporary—a perfect match for the bold, edgy aesthetic of Euphoria.
Step‑by‑Step: The Kérastase Routine
Glen Oropeza’s routine is built around three core Kérastase products that work together to hydrate, protect, and finish the hair with a high‑gloss finish. Below is a detailed breakdown of each step.
1. Pre‑Wash Preparation
Before washing, the hair is lightly misted with a leave‑in spray to help detangle and prepare the strands for the cleansing process. This step ensures that the shampoo can penetrate deeply without stripping natural oils.
2. Cleansing: Gloss Absolu Bain Hydra‑Glaze Anti‑Frizz Shampoo
This shampoo is formulated with a blend of hydrating ingredients that cleanse while infusing moisture. It removes buildup and creates a smooth base, essential for achieving a frizz‑free finish.
3. Conditioning: Gloss Absolu Insta‑Glaze Anti‑Frizz Conditioner
Applied after shampooing, this lightweight conditioner detangles and smooths the cuticle. It’s designed to work quickly, leaving the hair ready for styling without weighing it down.
4. Heat Protection: Gloss Absolu Glaze Milk Anti‑Frizz Heat Protecting Spray
On damp hair, this spray is applied from mid‑lengths to ends. It shields the strands from heat damage during blow‑drying and curling, while also adding a subtle sheen that enhances the final shine.
5. Blow‑Drying and Styling
Using a high‑speed diffuser, the hair is dried in a low‑heat setting to preserve moisture. A round brush is then used to









