2. What
Is
The
Role
Of
Fragrance
In
Soaps ?

3. Comparing Opaque And Transparent
Soaps
• Stronger scent in opaque soaps initially but it dies out.
• Milder fragrances used n Transparent soap .
• Integrity of fragrance maintained in Transparent soaps
• Variety of fragrances that can be used much higher in
Transparent soap s

4. Aspects That Need To Be Considered
Cost
Longevity Soap Consumer
of
Perfumer Acceptance
Fragrance
Stability

5. How Does The
Perfume
Work
In The Soap ?

6. • Some Fragrances are
solubilized within the soap
structure.
• Different perfume components
partition into different areas of
the Soap system.
• The soap system forms a sort of
cage for the perfume and this
helps in controlling its diffusion

7. Various Classes of Fragrances Used in
Soaps
Class of Fragrance Examples
Woody Cedarwood, Sandalwood,
Floral Rose, Jasmine, Lavender
Fruity Passion fruit, Orange, Apple,
Strawberry
Animalistic Musk , Ambergris
Citrus Lemon , Lemongrass
Herbal Aloe , Basil
Sweet Peppermint, Clove

8. Rose Fragrance
Rose Oxide

10. Musk Fragrance
Musk ketone Musk ambrette

12. Factors Which Create Instability In
Soap Fragrances
• Light
• Temperature
• pH Values
• Presence of Iron (when reaction done in non SS equipment )
• Packaging

13. Result Of Instability –
(Discolouration of Soap)
Fragrance Discolouration
Nitro musk’s Photodiscolouration
Vanillin Severe Black colour
Citral Yellowish-Brown
Colour Formed
Eugenol Brown Colour Formed

14. References-
• Cosmetics,Soap,Perfumes- Poucher
• Essential oils- Guenther
• Aroma Chemicals-
• Perfumes-Kirk and Othmer
• Chemistry Of Perfumes- Charles Sell
• Journal Of Advances in Perfumery- Bedenkin
•