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Lipsticks

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Lipsticks

FORMULATION BASICS: LIPSTICKS

  1. Before starting
  2. Typical Ingredients / Usual Method & Tips
  3. Sample Recipe
  4. To go further

Before starting...
A little bit of history...

We're tracking the origin of lip coloration within the high antiquity. Egyptian women used to apply on their lips some dyes based on red blood stone or henna. However the origin of the lipstick such as we know it today begins within the end of the XIXth century. At this time, actresses used to use mixtures of beeswax, butter, vine grape extracts or other kinds of natural dyes to be applied on their lips. Synthetic dyes discovery at the beginning of the XXth century allowed for a considerable pallet of coloring nuances as well as the emancipation of the lipstick.

Required qualities :

  • Consistency must be stable whatever the variations in temperature
  • Must be applied easily on lips
  • Must leave a mark as soon as lightly applied
  • Musn't break during the application
  • Uniformity of the film
  • Creaminess and slip are needed, without greasiness
  • Sufficient adhesion is required
  • Musn't leave marks when wiped
  • Easy to remove
  • Pleasant taste and odour
  • Non-irritant, non-allergenic
Typical Ingredients Usual Method
Must Use
Consistency factors/ Waxes
20-55%
Emollients (liquid)
25-70%
Pigments (color)
0.5-10%

Usual
Thickeners/ stabilizers 0-1%
Preservatives 0-1 %
Antioxidants 0.05-1%
Pigments (special effects) 5-25%

Optional
Sunscreens/ UV filters 0-2%
Fragrances/ Flavoring agents 0-1%
Active agents 0-1%
Waxes and emollients are mixed and melted until 80�C. Pigments may often have to be premixed separately in liquid emollients mixture. Premixed pigments dispersions should preferably be used, otherwise pigment dispersion must be as homogeneous as possible. The mixture can be added to the first hot phase or once the mix has cooled. Then pour the warm mixture (temperature must be 10�C above its melting point) into the appropriate moulds. Moulds must be placed into the refrigerator.

Tips
How to obtain the wanted mattifying/ shining effect in your lipstick?
Mixing the correct amount of pigments every time and getting the desired color and effect is an art of its own. Pigments particles size and nature is varied in order to obtain more shine or more matt effect. The more the distribution is large, the more the mattifying effect is high. Mattifying effect is associated with adhesion (long-lasting). Cosmeticians would like to obtain lipsticks which join the brilliance with the long-lasting effect to satisfy consumers. These two properties are contradictory.

Sample Recipe : Purple fresh kiss
Ingredients Method
Composition Function % (w/w)

Phase A
Beeswax Consistency factor/ Wax
6
Carnauba Wax Consistency factor/ Wax 3
Candelilla Wax Consistency factor/ Wax 7
Ozokerite Consistency factor/ Wax 4
Polyisobutene Emollient (liquid) 30
Castor oil Emollient (liquid) Q.S.
Mica Pigments 3
Red 7 Lake Pigments 2.25
Phase B
Tocopherol acetate Antioxidant 0.05
BHT Antioxidant 0.03
Peppermint Flavoring agent 0.3

Phase A : Components are mixed and heated into a glass beaker to 70�C. Add Phase B components while stirring gently after have removed Phase A from heat until the mix is homogeneous. Then pour the liquid mixture into chosen molds.

To go further
Consistency agents/ waxes Lipsticks are made of a mixture of waxes ("white paste or body"), oils and pigments. Waxes are chosen considering their melting point (which varies from 50�C to 90�C) and their specific properties. They bring hardness and shining. They enhance stability and consistency, and provide richness to formulations. Most animal origin waxes were used in the past. They're now widely replaced by synthetic or vegetal origin waxes (carnauba, candelilla..).
Pigments are non-soluble components Thanks to their non-solubility neither in water nor in oil pigments are permitted in decorative cosmetics. Moreover they are considered to be non-irritant to mucous membranes. TiO2 is commonly used as an opacifier. Pigments derived from mica are used and often coated with titanium dioxide to enhance the range of colors available
What kind of lipstick was called the kiss of death? The ancient Egyptians used for lip rouge a reddish purple mercuric plant dye. They didn't know it was potentially poisonous . Talk about the kiss of death!



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