Berry Global has revealed its patented technology for manufacturing roll-on balls for deodorant applicators, said to deliver faster output and minimal material wastage during production.
Apparently, the new technology can manufacture the hollow ball using a single injection moulding tool with an insert to join the two halves of the ball together, before being over-moulded. Berry says the process creates a smoother central join with zero offset, meaning less plastic needs to be grinded away during the manufacturing process.
The ball is manufactured in polypropylene and said to be widely recyclable where appropriate recycling infrastructure is in place. Berry adds that it can be manufactured in up to 100% post-consumer recycled plastic.
The company states that the 1.4” size of deodorant ball will be used in the relevant designs within its portfolio. Berry states that while the ball is a standard design, it works with customers in the development phase to ensure full compatibility with their products for reliable use by the end-consumer.
Last summer, Berry teamed up with French cosmetics company La Rosée to co-develop a refillable stick for its déodorant product, said to offer a weight reduction of 62% compared to a full stick. The company says the deodorant is made from 99% natural ingredients and its formula complies with a strict formulation specification that includes no aluminium salts or alcohol.
A few months later, the company collaborated with men’s skincare brand true to launch a refillable deodorant in Poland, estimated to reduce carbon emissions by around 53% compared to single-use deodorant. The refill system consists of a removable 75ml refill pack made of recyclable PP that needs to be replaced approximately every three months.
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