As prime contractor for the project, TNT Group worked closely with Chanel and FaiveleyTech to develop the patented cold-acting rotary applicator for Chanel's new N°1 Revitalizing Eye Serum, designed to massage and refresh the eye contour area.
The applicator, which has a total of eight components, is structured into two mechanical sub-assemblies articulated together by two polyketone rings (POK) - a family of high-performance thermoplastic polymers - to ensure long-term rotary functionality.
The first sub-assembly consists of the textured head and stem, in stainless steel. The second comprises two end caps and a shaft, also in stainless steel. The upper endpiece is used to assemble the PP insert, designed to be screwed onto the thread of the glass bottle.
According to the TNT Group teams, a good compromise was found between the depth of the texture and the polishing process of the applicator head. The challenge was also to achieve fluid, durable rotation between the two sub-assemblies, as the applicator can be reused on a "refill" bottle.
The applicator is combined with a cap produced by FaiveleyTech in Supalac, an alternative material to traditional plastic made from sustainable and responsible raw materials from post-consumer, post-industrial or post-agricultural recycling that can be digested by natural micro-organisms and leaves no microplastics.
