Define System

GEMINI

Dual Styling Foam · Flexible Definition · Define System

Gemini is a lightweight, non-aerosol styling foam designed to support flexible definition, soft structure, and controlled shape without stiffness or residue.

Sizige Gemini Dual Styling Foam pump bottle

Product Overview

This airy formula delivers lift and touchable hold while preserving movement and clarity. Hair feels supported rather than set, allowing styles to remain adaptable, responsive, and visually refined throughout the day.

Gemini is engineered to enhance styling outcomes across textures and techniques — supporting natural patterns, blow-dried finishes, and shaped looks with equal ease.

Defined by Science

Gemini supports hair that needs structure without heaviness and control without rigidity.

Hair appears:

  • Lightly shaped with flexible definition
  • Smooth at the surface with natural separation
  • Supported through movement and wear
  • Clean and touchable, never sticky or stiff

The foam disperses easily through damp hair, creating even distribution and consistent results.

Styles remain soft, controlled, and responsive rather than locked into place.

Guided by Nature

Gemini's performance is built through intelligent structure rather than force.

Rice Amino Acids
Support hair structure and manageability, contributing to definition that feels natural, flexible, and refined.
Orchid Extract
Selected for its conditioning and smoothing properties, helping refine surface feel while maintaining lightness and clarity.

Together, these elements support Gemini's balanced approach to styling — enhancing shape while respecting movement and touchability.

Balanced by Design

Gemini is for those who want definition that feels natural, flexible, and refined.

It is ideal for hair that benefits from light structure and shape without sacrificing softness, movement, or touchability. Gemini supports a wide range of textures and styling preferences where adaptability and control matter equally.

How to Use

  1. Dispense into palms and apply evenly through damp hair. Style as desired.
  2. Allow hair to air-dry or diffuse for flexible definition, or blow-dry for soft structure and lift.

Part of the Define System

Gemini is part of the Define System, which focuses on shape, structure, and finish without compromising hair behavior.

Within the system, Gemini provides flexible support and airy definition. It can be used alone for soft styling or layered with other Define products to refine hold, texture, or finish as desired.

Explore the Define System

Ingredients (INCI)

Full ingredient list

Water (Aqua), Ethylhexyl Olivate, Polysorbate 20, Coco-Glucoside, Sodium Lauroyl Lactylate, Decyl Glucoside, Cocamidopropyl Betaine, Sodium Cocoyl Hydrolyzed Silk, Oryza Sativa (Rice) Amino Acids, Acrylates Copolymer, PVP, Phenoxyethanol, Ethylhexylglycerin, Orchid Extract, Polyquaternium-7, Polyquaternium-10, Fragrance (Parfum), Tremella Fuciformis (Snow Mushroom) Extract, Copper Tripeptide-1, Serenoa Serrulata Fruit Extract, Camellia Sinensis Leaf Extract, Myrciaria Dubia Fruit Extract, Limnanthes Alba (Meadowfoam) Seed Oil, Squalane, Bambusa Vulgaris Ferment Filtrate, Pisum Sativum (Pea) Peptide, Adansonia Digitata Seed Extract, PEG-40 Hydrogenated Castor Oil, Di-PPG-2 Myreth-10 Adipate, Propanediol, Hydroxypropyl Cyclodextrin.

Define System

Pairs with

Ready to bring GEMINI into your routine?

Shop the full Sizigē collection, or get in touch and we will help you build the right system.

Constellation Club

Join the Constellation Club for exclusive access to launches, offers, and training.

Stay aligned with the latest in hair innovation. Get early access to new formulas, expert tips, and exclusive member rewards designed to keep your hair — and your knowledge — in perfect balance.

Contact Us

Send us a message and a member of our team will get back to you.