Formula stability Check

Fragrance 0.3 !!!!!!

D.I-Water Aqua !!!!!!!!!!

2 Year Shelf Life at Room Temperature should 

be examined...But it’s too long! 

Something faster test methods

needed… 

Acceleration Test at Higher Temp 

 60℃ 8 weeks = 25℃ 2 year

 45℃ 16 weeks = 25℃ 2 year 

SUNJIN suggests 5 criteria for the stability of Fabric Softener formulation 

1. Phase separation 

2. Sedimentation

3. White Scum(=Halo effect)

4. Severe change of viscosity of formula

5. Severe change of color of formula