Sunglasses' Blog - Australian Fashion Eyewear

Sustainable fashion has made its way into eyewear, and castor seed sunglasses are leading the charge. Made from bio-based materials derived from castor oil, these planet-based sunglasses offer a stylish, eco-conscious alternative to traditional plastic frames.

The mighty castor seed — a natural marvel

The castor seed comes from the castor plant (Ricinus communis), a hardy crop native to tropical and subtropical regions. This resilient plant grows well in challenging climates and needs very little water or pesticides, making it an ideal choice for sustainable farming.

Each seed is protected by a tough shell and holds high levels of oil that have been used in medicine, cosmetics and industrial applications. Now, they’re at the heart of many eco-friendly materials that help us move away from non-renewable resources.

From seed to sunnies — how it comes together 

The process of transforming castor seeds into plant-based sunglasses begins with the beans, which are pressed to extract castor oil. This oil undergoes a series of chemical reactions known as polymerisation, where the natural compounds are transformed into biopolymers.

Biopolymers made from castor oil are lightweight, durable and flexible. These qualities make them ideal for crafting sunglass frames that can withstand the demands of everyday use. Once moulded, the biopolymer frames are refined, polished and fitted with lenses, ready to be worn and enjoyed.

A step towards sustainability — the case for castor seed sunglasses

Choosing castor seed sunglasses isn’t just about sun protection — it’s about embracing a more sustainable way of living. By replacing traditional petroleum-based materials with renewable biopolymers, these sunglasses significantly reduce dependence on fossil fuels. This shift helps lower greenhouse gas emissions, making them a smarter choice for the environment without compromising quality.

Taking castor seed sunglasses to the next level

Plant-based sunglasses, while responsible and functional, have long been dismissed as dull or overly simplistic. At SOEK™, we’re here to challenge that narrative. By fusing high-fashion with eco-conscious design, we’ve created eyewear that not only aligns with your values but elevates your style.

From sleek, minimalist shapes to bold, statement-making frames, our sunglasses are designed to stand out. SOEK™ proves that sustainable eyewear can be as luxurious and fashion-forward as it is kind to the planet.

Ready to make the switch?

Sunglasses are an accessory we often take for granted, but they represent an opportunity to make a difference. Castor seed sunglasses offer everything you'd expect from premium eyewear — style, durability and protection — while taking steps towards a more sustainable future.

Make your next pair of sunglasses count. Choose plant-based, choose sustainability, choose castor seed sunglasses. When you're ready, explore the SOEK™ collection and discover your new go-to pair in our range.