Women's Hygiene Products
Sanitary pads, Tampons, Panty liner, Maternity sanitary pads, Menstrual products
Blue Bins & Chutes
If the items are new, there may be charity organisations or family service centres that may want them.
There are regularly requests for Sanitary Pads on PassItOn
Pass it on
Freecycle / Give Away
Unused products can be offered through the various freecycling channels.
Don't feel weird. Lots of people are freecycling these.
Singapore Really Really Free Market
Like most mixed material items (plastic + paper) these cannot be recycled.