Facets of Intimate Care - Less is More

intimate care 1Intimate care always has been and continued to be a domain of women. Obviously there is a solution for any problem.
However not all the products offered on the cosmetic market automatically contribute to the individual wellbeing.
Both societal and social environment of women has fundamentally changed due to professional life and emancipation. Today’s different understanding of the role of women takes its toll with appropriate clothing, physical appearance, and daily care regardless of gender-related sensitivities.
Intimate care with an emphasis on hygiene is an essential element in this context.

Editors note: There is an interesting educational video presentation on this topic at this link.

natural flora 2Natural flora
The warm and humid milieu of vagina and vulva is an ideal field of activity for bacteria and fungi. That is the bad news.
The good news is that the genital area is very well protected by its natural flora and secretions - unless it is disturbed. 
The thick mucus of the cervical glands in the uterus neck prevents germs from penetrating into the uterus. The mucus has a slightly alkaline pH value and contains, besides water, mucigenous polysaccharides, salts, enzymes and residues of cells among others.
• The vaginal secretion with its pH value of about 4 also reacts acidic. Responsible for this reaction are lactic acid bacteria which break down the polysaccharides such as glycogen into maltose and dextrose and then form lactic acid out of it.
Acetic acid also is formed. Such acidic environment in which also bactericidal nitrogen oxide (NO) is released in its turn reduces foreign germs and is an important safety factor against facultative pathogenic fungi such as Candida albicans.
• The sebum glands of the vulva with their abundant and sometimes whitish sebum and the associated skin-typical flora also provide for an acidic milieu which is not very accommodating for external germs that do not belong to the skin flora.
• Further secretions from the Bartholin’s gland, the skene and sweat glands of the vulva additionally generate complex local conditions with a specific composition that changes depending on the female menstrual cycle and the sexual activity.
• The volatile substances from the secretions in total finally define the individual and typical body odour which primarily is not perceived as unpleasant.

soapy handsExcess hygiene
Nevertheless, the secretions frequently are perceived as being unhygienic and embarrassing. As a consequence, women try to keep their genital area “clean” in a variety of ways. The resulting treatments up to vaginal douching have not been planned for by nature though and affect the natural balance of the extremely sensitive area:
• The natural bacterial flora is disturbed.
• Facultative pathogenic germs can proliferate, spread and penetrate into the urogenital tract. Itching burning pain and inflammations are potential consequences.
• Inappropriate cosmetic cleansing products respectively their components can trigger irritations and sensitivities.
• Embarrassing and, among others, pungent fishy odours originating from amines such as trimethylamine indicate a disturbed microcosm or even infections.

Hence the subjective feeling of neglected hygiene sets in. The consequence is that cleansings are intensified, and perfumes and sprays for the genital area are applied to cover the body odour. Bactericidal cleansing products, hygienic tissues, creams, and pads are further resources to tackle the problem. Frequently, just the opposite is achieved:
• Bactericidal agents from deodorants and Co. unselectively kill all the germs and hence also the microorganisms required for a healthy flora and the respective pH level. Bactericidal substances such as the chloroaromatic triclosan should not be used in the genital area.
• Allergenic bactericides and perfume components easily penetrate into the unprotected skin and the mucous membranes. Individuals with a predisposition to allergic reactions are afflicted with the respective symptoms.
• Unwanted infections such as fungi-induced Candida albicans with their risk of relapses are on the rise. About three out of four women are affected at least once in their life.

too tightToo tight, too synthetic
A further unfavorable factor is skin-tight clothing. In comparison to other habitats we can observe that we diverge entirely from the mode of life that nature provided for: even at night, we do not refrain from wearing clothes. Hence the genital area is completely sealed off most of the day which results in increased temperature and about 100 % atmospheric humidity. An excellent matrix for germs which perfectly settle down in the skin and mucous membrane since fabrics, pads, etc. absorb the various secretions of vulva and vagina.
The constantly humid milieu causes a swelling of the skin surface, and the fabric to skin friction additionally supports the spreading of germs; shaving or epilation of the pubic hair still intensifies the problem. [1,2] Occlusive conditions are aggravated when the underwear is of synthetic material.
To treat the disturbed germ flora and bacterial infections the gynecologist administers local antibiotics, [3] depending on the type of pathogen, for example;
• metronidazole in the case of colpitis, (vaginal inflammation)
• tetracycline against Chlamydia infections, (STI) 
• azoles such as the antimycotic (antifungal) clotrimazole in the case of fungi infections.
The active agents are administered in the form of creams, suppositories or pills. There is also a risk of sensitive reactions. [4] Lactic acid or lactic acid bacteria releasing preparations often are prescribed as adjuvant therapy to restore the natural milieu of the vagina.

Adequate care
More important is avoiding the problems caused by wrong hygiene perceptions in the first place.

• Prefer breathable, loose cotton underwear to synthetic materials. With regard to its specific functions, the genital area of women but also men are not designed for high temperatures and humid conditions!
• Avoid tight nightwear; preferably sleep without clothes. Those who are sensitive to cold may use an additional blanket and socks. Socks specifically are beneficial against backaches caused by neural stimuli of cold toes.
• Avoid panty liners with impermeable plastic sheets (underwear protection). Panty liners should be breathable and prevent heat accumulation. Preferably avoid them at all.
• An important issue also is that the underwear is free of residues of laundry detergents or fabric conditioners.

intimate washBody cleansing
• Cleanse the genital area only topically with water. In cases where this is not sufficient, a sugar tenside based cleansing gel without preservatives and lipid-replenishing substances is recommended. Only sparingly use shower gels and bathing preparations. It is even better to stay away from the products.
• Non-irritant cleansing gels and pH adjusted soap bars also are the means of choice for the anal area which is more difficult to clean. In this respect, bidets are beneficial as they allow a selective cleansing after bowel movements and hence prevent contamination of the genital area via underwear.
• Baby care [5] can be used as an example: In the case of irritations after repeated cleanings and subsequent diaper rash, pure vegetable oils such as avocado oil have proved successful. Avocado oil has excellent cleansing characteristics; the phytosterols contained in the oil stabilize the skin barrier and hence are a perfect skin care component.
• As the water quality is concerned, try to avoid hard water, because it further destabilizes an already disturbed skin barrier. [6]
• Avoid rough washcloths, preferably use your hands.
• After bathing or taking showers allow some time to get rid of the surplus humidity of the body. Above all avoid extensive rubbing to dry the body. 

Skin care
• Usually, there is no need for skin care creams for the genital area. Nonetheless, whoever uses them externally should make sure that they are free of perfumes, preservatives, emulsifiers, softeners or denaturing agents such as phthalic acid esters in Alcohol denat. (INCI). Convenient are easily spreadable aqueous lotions based on biodegradable nanodispersions that can be applied to the whole body after showering.
• In the case of a perianal barrier disorder [7] caused by excessive cleansing or other conditions as long sitting, the affected area can be treated with non-aqueous, easily penetrating oleogels. [8] These preparations too should be free of unnecessary additives and particularly paraffin oils or long-chained silicones that cause counterproductive skin swellings because the transepidermal water loss (TEWL) would be lowered more than necessary.
• If there is a need for a lubricating agent, small amounts of oleogel or avocado oil also are an adequate choice due to their indifference. [9] Should water-based agents be preferred, xanthan (food additive E 415) is an alternative in this case. The polysaccharide powder (about 2 to 3%) freshly dissolved in water forms a non-irritant, tasteless and scentless gel, which is free of additives. It is 100 % condom-compatible.
It should be added, that pharmaceutical drugs, inclusive oral antibiotics against infections in general, can affect the intestinal flora but also the vaginal microflora. Spermicidal contraceptives such as gels, foams, and suppositories also disturb the natural balance of the body. Variations in the estrogen level as well are significant in this context. The hormone controls the metabolism in the genital tract and depends on factors like puberty, oral contraceptives, pregnancy, menopause, and nutrition. In the case of a low estrogen level and vaginal disorders, the hormone is supplemented. On skin care during puberty, pregnancy, and menopause has been reported recently. [10,11,12]

Conclusion: It is advisable to scrutinize the various products for the female genital area offered by the cosmetic industry. Most of the alleged problem solvers indeed are unnecessary.

Written by Dr. Hans Lautenschläger, Kosmetik Konzept KOKO GmbH & Co.KG
Dr. Hans Lautenschläger  is an organic chemist and pharmacologist with extensive experience in the development of skin care products.
1. H. Lautenschläger, Der Bart muss ab - Maßnahmen rund um die Rasur, Kos- metik International 2013 (10), 22-25
2. H. Lautenschläger, Hyperhidrose - Was wirklich hilft, medical Beauty Fo- rum 2013 (6), 38-39; complete manuscript: www.dermaviduals.de/cms/upload/Pub likationen_deutsch/KI-10-13-Rasur.pdf
3. H. Lautenschläger, Die Barriere schüt- zen - Hautpflege bei Pilzinfektionen, medical Beauty Forum 2013 (4), 48-50
4. H. Lautenschläger, "Ich vertrage das Produkt nicht" - Einfluss von Arznei- mitteln auf Haut und Hautpflege, Kos- metische Praxis 2009 (2), 11-14
5. H. Lautenschläger, Babyzarte Haut - Kriterien für die kindgerechte Pflege, Kosmetik International 2008 (12), 30-32
6. H. Lautenschläger, Wasser ist nicht gleich Wasser - Wasserqualitäten, Kosmetische Praxis 2005 (4), 8-10
7. H. Lautenschläger, Grenzgänger - Kosmetische Hautpflege auf den Punkt gebracht, Beauty Forum 2010 (8), 27-29
8. H. Lautenschläger, Oleogele - wasserfreie Präparate leisten können, Kosmetische Praxis 2004 (4), 6-7
9. H. Lautenschläger, Das sanfte Gleiten- Präparate für die Massage, Kosmetik International 2011 (2), 36-40
10. H. Lautenschläger, Hautpflege wäh- rend der Pubertät, Kosmetik Interna- tional 2009 (10), 20-23
11. H. Lautenschläger, Hormonzyklen - Hautpflege im Klimakterium, Kosmetik International Best Ager 2009, 26-28
12. H. Lautenschläger, Im Anflug - Die Landung vorbereiten - Hautpflege bei Schwangeren, Kosmetik International 2012 (10), 26-29


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International Association for Applied Corneotherapy

The International Association for Applied Corneotherapy (I.A.C.) is a registered, non-profit association with primary purposes and objectives of the advancement of scientific research and practical applications in the realm of Corneotherapy and related sciences.


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Department of Dermatology, University Hospital, Stockholm, Sweden.

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