Fragrances In

Soaps

What Is The Role Of Fragrance In Soaps ?

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

Soap Perfumer

Cost

Consumer Acceptance

Stability

Longevity of Fragrance

Aspects That Need To Be Considered

How Does The

Perfume Work In The Soap ?

• 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

Various Classes of Fragrances Used in SoapsClass 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

Rose Fragrance

Rose Oxide

Musk Fragrance

Musk ketone

Musk ambrette

Factors Which Create Instability In Soap Fragrances

• Light • Temperature• pH Values• Presence of Iron (when reaction done in non SS equipment )

• Packaging

Result Of Instability – (Discolouration of Soap)Fragrance Discolouration

Nitro musk’s Photodiscolouration

Vanillin Severe Black colour

Citral Yellowish-BrownColour Formed

Eugenol Brown Colour Formed

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•