Transcript Chemistry Behind Hydrolats

l'eau d'arome
Aromatherapy with hydrolats
THE CHEMISTRY BEHIND HYDROLATS
WHAT ARE HYDROLATS?
• Residual floral waters of the steam distillation
process of essential oils
• Contain micronized droplets of essential oils
• Help regulate skin metabolism
• Alcohol-free
Examples include:
 Rose
 Neroli
 Lavender
MOLECULES IN HYDROLATS - KETONES
Chamomile
Lavender
Rose
Acetone Camphor


Acetone
 Used as solvent in
nail polish removers,
fats, oils and waxes
 Quantity in distilled
waters is not sufficient
to cause any irritation
to skin




Camphor
 Gives a cool feeling
to the skin
 Antiseptic
 Readily absorbed
through the skin
MOLECULES IN HYDROLATS - ALCOHOLS
Ethanol Geraniol Linalool α- Terpineol
Chamomile



Lavender
Rose

Ethanol
 Anaesthetic, antiseptic, skin
disinfectant
Geraniol
 Anticarcinogenic, antiseptic,
antitumour, cancerpreventative, fungicide
 Sweet, flora, rosy, fruity
aroma






Linalool
 Colourless liquid with a
soft, sweet odour
• Antiallergic, anticarcinogenic,
antihistamine, antiseptic (5x
phenol), antiviral
α- Terpineol
 Antiseptic
MOLECULES IN HYDROLATS - OXIDES
 Eucalptol (I,8-cineole)
 Present in chamomile and lavender hydrolat
 Antiallergic, antibronchitic, antiseptic, bactericide,
fungicide
Esters
 Linalyl acetate
 Found in lavender hydrolat
 Colourless liquid which has and aroma similar to
bergamot and is used in many perfumes
 No known toxicity
 Sedative
Aldehydes
 Hexanal
 Found in chamomile and lavender hydrolat
 Used as flavouring
WHY USE HYDROLATS?
• A pedigree of worthwhile therapeutic
application and safety
• Ultra mild in action compared with essential
oils - useful for the treatment of the young,
the elderly, and those in a state of delicate
health, including babies and convalescents
• Does not irritate our skin and mucous
surfaces
• The essential oil compounds are more
acceptable to our bodily fluids
WHY USE HYDROLATS?
• Saturated with some of the water soluble (or
hydrophilic) compounds that are not present
in essential oils
• Mildly astringent yet non-drying to the skin
• May be substituted for herbal tinctures or
medical objections
• Hydrolats can be used both externally and
internally
• Extremely mild and completely safe
USES PERTAINING TO SKIN CARE
• Non-irritating and non-aggressive to the skin
and mucous membranes
• Well-suited for skin care preparations,
including cleansing, baby care and face and
body care
• Added in the aqueous phase of creams and
lotions to make products such as aromatic
baths, masks, creams, lotions, gels, etc.
• Also used alone as toners
USES PERTAINING TO SKIN CARE
• Effectively blended into masks
• Blends can be made for all skin types, for skin
problems and for the maintenance of dry,
sensitive, greasy, red or blotchy skin, acne,
dermatitis, psoriasis and rosacea skin types
• Used in place of de-ionized water in a
moisturizing cream or lotion, as its benefits
are added to the overall effect on the skin
• Counteract the drying effects of a long
aeroplane flight, air-conditioned rooms and
cars
THE CONSUMER PRODUCTS
A hydrated mask and a moisturizer
with one of the three following
natural scents/hydrolats:
1.
Rose le beau [The beautiful rose ]
 moisturizing and uplifting
2.
Chamomile l'égale [Chamomile, the balance ]
 balancing and calming
3.
Lavender le calme [The calming lavender ]
 revitalizing and relaxing
OUR TRIP TO AROMAART
The starting materials…
Rose hydrolat
Chamomile hydrolat
Unscented
moisturizer
Lavender hydrolat
Containers for lotions
produced
Dehydrated
mask
Hydrated
mask
ESTHETICIANS AT WORK...
We blended hydrolats and essential oils to a
unscented moisturizer base to give effective
moisturizers with all-natural scents.
ESTHETICIANS AT WORK…
Essential
oils
Geranium and rose essential oils were mixed with rose
hydrolat and added to the unscented moisturizer base.
The other two blends were lavender essential oil with
lavender hydrolat and chamomile essential oil with
chamomile hydrolat respectively.
TRYING OUT THE MASKS!
Elizabeth
Yi Ting
REFERENCES
• http://www.naturopathica.com/skincarehydrolats.html
• Understanding Hydrolats: The Specific
Hydrosols for Aromatherapy – Price and Price
Interested in trying out these
new products? Here are some
samples for you to try out!
Thank you for your kind attention!
Sabrina Lau
402
Elizabeth Teo
402
Zhang Yi Ting
402
Lydia Lau
407