Great value and easy to use

After doing research on the topic, it seemed that in order to encourage new collagen production, a minimum .5mm size would be needed... these aren’t as easy to find here as the more common .25 size. The serum included made this an excellent value. I found it easy to use and not painful. Expecting to start seeing results after some weeks of use (.5 and larger should not be used every day). Update: one use of the roller, and regular of the serum, frown line greatly reduced!

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