History & Sci­ence

One prod­uct, many in­car­na­tions. A look back at how Dou­ble Serum moved with the times.

Herworld (Singapore) - - BEAUTY -

1985

The oil and wa­ter serums come in sep­a­rate bot­tles, to be poured out and mixed.

1988

An en­riched for­mula is in­tro­duced.

1993

Ma­rine ex­tracts are added and the serum’s an­tiox­i­dant pow­ers in­ten­si­fied.

1996

Brand-new for­mula and tex­ture, and a brand-new dou­ble-vial bot­tle.

2002

Has the added func­tion of boost­ing skin en­ergy.

2007

Its in­flam­ma­tion-fight­ing abil­i­ties are en­hanced.

2012

Con­tains 20 plant ex­tracts to en­hance its ef­fects against the signs of age­ing.

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