Formulation and evaluation of herbal face pack

Introduction 1.1 Skin Physiology

The largest organ in the body, the skin accounts for over 15% of the total weight of the body. Among its many vital functions are defence against external physical, chemical, and biological threats, preventing water loss from the body, and aiding in thermoregulation. The skin is the outermost layer of our body that protects our proteins from heat, light, bacteria, and injury. It is the largest organ in the body, storing fat, water, and vitamin D, which is essential for human health, as well as regulating body temperature. Dullness, play dissonance, and wrinkles that are taken for consideration as real problems. The skin helps regulate body temperature, shields the body from germs and the elements, and allows us to experience touch, warmth, and cold. [1,2]

Skin Structure

The outermost layer of skin, the epidermis, provides a waterproof barrier and determines our skin tone. The dermis, which lies beneath the epidermis, is rich in hair follicles and connective tissue. 1. The stratum spinosum, or layer of thorny cells: Sporadic, polyhedral cells with cytoplasmic forms-sometimes referred to as "spines"-are found in 8-10 cell layers, sometimes referred to as the prickle cell layer. These cells amplify outward and make contact with nearby cells by desmosomes. This layer contains dendritic cells [3] . 2. The stratum germinativum, also known as the bottom layer, is the deepest layer.

Hemidesmosomes connect it to the storm cellar film, which separates it from the dermis. This layer contains cuboidal to columnar stem cells that are constantly producing keratinocytes through mitosis. Melanocytes are also present in this stratum [4] . 3. The dermis: The deeper layer between the epidermis and the oily subcutaneous layer is called the dermis. It is composed of connective tissues that contain collagen and elastin strands, with a small number of cells such as fibroblasts, macrophages, and adipocytes. The subcutaneous layer is located deep within the dermis; however, it is not the skin [5,6] .

Function of Skin

1. It provides microbial invanon chemical specialists, other natural specialists, and a protective 2. waterproof layer that guards against damage.

3. It releases metabolites such as urea and sodium chloride. 4. It also has an impact on maintaining electrolyte and water balance. 5. The activity of UV beams from starlight affects how vitamin D is combined with skin ergosterol [7] . 6. It produces tyrosine, foam, and melanin. Skin is kept sensitive by the sebum it secretes. 7. It holds sugar, chlorides, water, and fiat. Skin is kept sensitive by the sebum it secretes. 8. Lessens the damaging effects of UV radiation. 9. Serves as a tactile organ by detecting temperature through touch. 10. Has an impact on temperature control [8] .

Herbal Topical Formulation

Topical formulations made mostly of natural substances sourced from fruits, flowers, herbs, and other botanicals are known as herbal face packs. Herbal face packs promote a natural approach to skincare, in contrast to traditional face masks that could include artificial chemicals, preservatives, and scents. They are used to cleanse, exfoliate, nourish, and revitalise the skin; they are usually available in powder or paste form. two key ingredients that hydrate and nourish the skin while keeping pores clear.

Economical and Eco-Friendly:

The majority of herbal face packs are affordable and environmentally friendly because they can be prepared at home using easily accessible natural ingredients.

Common Ingredients in Herbal Face Packs

Each of the components in herbal face packs has unique skinbenefitting properties. Among the most often utilised natural ingredients are:

1. Turmeric-Well-known for its antimicrobial and antiinflammatory qualities, turmeric even out skin tone and fights acne. 2. Neem-Has potent antibacterial qualities and works well to treat skin infections and acne. 3. Fuller's Earth, also known as Multani Mitti, is a natural clay that purges the skin of excess oil and pollutants, leaving it matte and renewed. 4. Sandalwood: Helps to improve skin tone, lower irritation, and has cooling properties. 5. Aloe Vera: Promotes healing by moisturising and calming inflamed skin.

Types of Herbal Face Packs and Their Uses

Numerous herbal face packs have been developed to address distinct skin issues. Here are a few examples: 1. For Oily and Acne-Prone Skin: A mixture of fuller's earth, turmeric, and neem powder helps reduce excess oil and combat bacteria that cause acne. 2. Aloe vera, honey, and sandalwood packs offer deep hydration and relieve irritated skin for dry and sensitive skin.

For Evening and Brightening Skin Tone:

To lessen pigmentation and give a natural glow, blends of turmeric, gramme flour, and rose water are applied. 4. For Anti-Aging: By feeding the skin and increasing its elasticity, herbal packs enhanced with green tea, aloe vera, and honey target fine lines and wrinkles.

Possible Factors to Think About and Safety Measures

Although herbal face packs are usually safe, take the following safety measures:

1. Patch Test: To rule out sensitivity or allergic responses, always do a patch test prior to full-face treatment.

Freshness of components:

To prevent contamination and guarantee the most possible benefits, use premium, fresh herbal components.

Prevent Overuse:

Using some herbs, like turmeric, excessively can irritate or discolour the skin.

Understand Your Skin Type:

To prevent dryness or excessive oiliness, use herbal packs that are appropriate for your skin type. 5. Consultation: Before using herbal packs, anyone with skin disorders including eczema, psoriasis, or severe acne should speak with a dermatologist.

Herbs Profile 2.1 Neem Scientific Name: Azadirachta indica

Family: Meliaceae Native: Indian subcontinent Description: The evergreen, multipurpose neem tree is wellknown for its agricultural and medicinal uses. Compounds having antibacterial, anti-inflammatory, and insecticidal qualities can be found in its leaves, seeds, and bark. including digestive problems and infections.

Sandal Wood

Scientific Name: Santalum album (East Indian Sandalwood) Family: Santalaceae Native: Indian subcontinent and northern Australia Description: Sandalwood is a highly valued, aromatic tree known for its fragrant heartwood and essential oil. The tree's wood and oil have been used for centuries in traditional medicine, perfumery, and skincare. Neem leaf 20-30% Known for its antimicrobial and anti-inflammatory properties, neem leaf helps reduce acne, prevent breakouts, and soothe irritated skin.

2. Sandal wood 15-25% Sandalwood has anti-inflammatory, antiseptic, and cooling properties, which can help reduce redness, inflammation, and skin irritation.

Multani mitti 30-40%

This natural clay absorbs excess oil, reduces pores, and improves skin texture, leaving skin feeling refreshed and rejuvenated.

4.

Turmeric powder 10-20% Turmeric's active compound, curcumin, has potent antioxidant and antiinflammatory properties, which can help brighten skin, reduce acne, and promote even skin tone.

5.

Cinnamon 5-10% Cinnamon has antimicrobial properties that can help combat acne-causing bacteria and improve skin circulation.

Method of preparation of Herbal Face Pack Formulation

1) All the powdered ingredients are passed through sieve no. 120 2) Each herbal powder was accurately weighed according to the quantity required. 3) Ingredients were blended using geometric dilution to ensure uniform mixing. 4) Uniform mixing of powder is achieved with the help of motor and pestle. 5) Titurate them to form uniform mixture. 6) The dry mixture was stored in airtight containers. 7) For application, a small amount of the powder was mixed with rose water or distilled water to make a smooth paste. 8) Keep it for complete drying for 15-20 minutes. 9) After drying wash the face with lukewarm water or with cold water.

Evaluation parameter 4.1 Morphological Evaluation

It refers to the evaluation of the herbal face pack by its color, odor, appearance, texture etc. The external characters of the formulation were examined.

Physicochemical evaluation

Physicochemical parameters were determined, including the determination of extractive value, ash value, pH and moisture content [17] .

Physical evaluation

The particle size was tested by microscopy method. The flow property of the dried powder of combined form was evaluated by performing Angle of Repose by funnel method, bulk density and tapped density by Tapping Method [18] .

• Bulk density Bulk density refers to the adjustment of particles or granules to pack themselves collectively. The formula for determination of bulk density (D) is

Where, M is the mass of the particles & V is the total volume occupied by them.

The volume of packing can be determined in a graduated cylinder. 100 grams of weighed formulation powder was taken and slowly added to the cylinder with the help of the funnel. The initial volume was observed firstly; the sample was tapped until no further volume reduction occurred. The bulk density value was obtained from the initial volume and after tapping the volume reduced, from which tapped density was calculated.

• Hausner's ratio

Hausner's ratio is associate with the inter particle friction and predicts powder flow properties.

It is calculated as -Hausner's ratio=D/D'

• Angle of repose

The angle of repose is used to quantify the flow properties of powder because it influences cohesion among the particles. The fixed funnel cone method employs the calculation of height(H) above the graph paper that is placed on a flat tabular surface.

The powdered was carefully poured through the funnel till the peak of the conical heap just touched the tip of the funnel. Here, R denotes the radius of the conical heap, θ = tan-1 (h/r)

Where θ=arc tan H/R, where θ is the angle of repose.

Results and Discussion

Morphological Evaluation

Herbal face pack was evaluated for morphological parameters showed in the Table 4. The colour of formulation was yellowish brown. The odour of prepared formulations was pleasant and good acceptable which is desirable to cosmetic formulations. Texture and smoothness was acceptable as per requirement of cosmetic formulations.

Physicochemical Evaluation

Herbal face pack was evaluated for physicochemical parameters showed in the Table 5. The pH of formulation was found close to neutral. The ash content and moisture content were within limit.

Physical Evaluation (powder property)

Herbal face pack was evaluated for physical parameters (powder property) showed in the Table 6. Rheological findings justified the flow (powder) properties of the herbal face pack. It was found to be a free-flowing and non-sticky in nature. Tapped density 0.60gm/ml 2.

Conclusion

The herbal face pack's promise as a gentle, natural, and efficient skincare product is demonstrated by its preparation and evaluation. Neem leaf, sandalwood, Multani Mitti, turmeric powder, and cinnamon combine to form a synergistic blend that helps with acne, inflammation, and skin texture, among other skin issues. The face pack is a promising choice for anyone looking for natural skincare alternatives because of its stability, safety, and effectiveness. The formulation can be improved and its full potential in supporting healthy, glowing skin can be explored with the aid of additional research and clinical trials.

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