Formulations and Evaluation of Anti-Tanning Face Spray Preparations with Orange and Cucumber Extract

Skin tanning is a common dermatological concern caused primarily by excessive ultraviolet (UV) radiation exposure, which stimulates melanin production, leading to hyperpigmentation, uneven complexion, and premature aging of the skin (Brenner & Hearing, 2008). With increasing awareness about the adverse effects of synthetic cosmetics, there has been a noticeable shift in consumer preference toward natural and herbal skincare solutions. Herbal-based formulations are favored due to their biocompatibility, minimal side effects, and eco-friendly nature (Kaur & Arora, 2018). hyperpigmentation, uneven complexion, and premature aging of the skin (Brenner & Hearing, 2008). With increasing awareness about the adverse effects of synthetic cosmetics, there has been a noticeable shift in consumer preference toward natural and herbal skincare solutions. Herbal-based formulations are favored due to their biocompatibility, minimal side effects, and eco-friendly nature (Kaur & Arora, 2018). Skin tanning is a common dermatological concern caused primarily by excessive ultraviolet (UV) radiation exposure, which stimulates melanin production, leading to hyperpigmentation, uneven complexion, and premature aging of the skin (Brenner & Hearing, 2008). With increasing awareness about the adverse effects of synthetic cosmetics, there has been a noticeable shift in consumer preference toward natural and herbal skincare solutions. Herbal-based formulations are favored due to their biocompatibility, minimal side effects, and eco-friendly nature (Kaur & Arora, 2018). Among natural ingredients, orange peel extract (Citrus sinensis) stands out due to its richness in vitamin C, flavonoids, and volatile oils. These constituents possess strong antioxidant and skin-lightening properties, helping to reduce melanin synthesis by inhibiting tyrosinase activity, a key enzyme in melanogenesis (Sharma & Mishra, 2011). Cucumber extract (Cucumis sativus) is another widely used botanical in skincare known for its soothing and hydrating effects. It contains active compounds such as ascorbic acid and caffeic acid, which are effective in reducing skin inflammation, cooling sunburns, and improving skin tone by diminishing pigmentation (Nayak & Raju, 2008). Topical face sprays have emerged as a modern and user-friendly method of delivering active herbal ingredients. They provide a lightweight, non-greasy application that evenly disperses the product over the skin surface, making them ideal for daily use and on-the-go skincare routines (Saraf, 2010). While both orange and cucumber extracts have been extensively studied individually, their combined application in the form of a face spray aimed at combating tanning has not been explored in depth. The present study is designed to formulate and evaluate a novel herbal face spray incorporating both orange and cucumber extracts. The formulation was subjected to comprehensive evaluation, including physicochemical characterization, stability studies, skin compatibility assessments, and in vitro anti-tyrosinase activity. The goal is to establish a safe, natural, and effective alternative to chemical-based anti-tanning solutions.

AIM: -

This study aims to develop and evaluate a herbal anti-tanning face spray formulated with extracts of orange (Citrus sinensis) peel and cucumber (Cucumis sativus) pulp. The research focuses on assessing the formulation’s physicochemical properties, stability, dermatological safety, and anti-tyrosinase activity for potential cosmetic application.

OBJECTIVES

1. To extract bioactive constituents from orange peel and cucumber pulp using hydroalcoholic extraction methods.

2. To develop face spray formulations incorporating the prepared herbal extracts with suitable excipients such as humectants, solubilizers, and preservatives.

3. To conduct physicochemical evaluations of the formulations, including pH, viscosity, clarity, and spray performance

4. To perform stability testing of the formulations under varying storage conditions over a 30-day period.

5. To investigate the anti-tanning potential of the formulations through in vitro tyrosinase inhibition assays.

6. To determine the dermatological safety of the optimized formulation via skin irritation studies.

7. To compare multiple formulations and identify the most effective and stable anti-tanning face spray suitable for cosmetic use.

Tanning Process Explained

Melanin Production: The skin’s pigment, melanin, is produced by specialized cells known as melanocytes, through a process called melanogenesis

Types of Melanin: There are two main forms of melanin:

Eumelanin – gives skin a dark brown or black color.

Pheomelanin – provides a reddish-yellow hue.

Role of Melanin: Melanin serves as the skin’s natural defense, helping to absorb harmful UV rays and limit DNA damage.

UV Radiation and Skin Response: When skin is exposed to excessive ultraviolet (UV) radiation, it can lead to sunburn and DNA damage—both direct and indirect.

Body’s Protective Mechanism: In response, the body attempts to repair the damage and protect the skin by increasing melanin production and distributing it to skin cells.

Result: As melanin levels rise in the skin, it leads to visible darkening, commonly referred to as tanning

• Benefits of Using Anti-Tanning Spray

1. Protection Against UV Damage: Helps prevent harmful effects of UV exposure.

2. Reduced Skin Cancer Risk: Minimizes the risk of UV-induced skin cancer.

3. Prevents Premature Aging: Shields the skin from early signs of aging and sunburn.

4. Enhances Skin Appearance: Promotes brighter, healthier-looking skin.

• Advantages of Anti-Tanning Spray:

1. Quick Application

Easy to apply evenly over large skin areas without rubbing.

2. Immediate Protection

Provides fast action against UV rays when applied before sun exposure.

3. Non-Greasy Finish

Lightweight, non-sticky formula; suitable for oily and acne-prone skin.

4. Portable and Convenient

Handy spray bottles are travel-friendly and mess-free.

5. Soothing Ingredients

Often enriched with cucumber, aloe vera, or rose water to cool and hydrate skin.

6. Antioxidant Effects

Natural extracts like orange or vitamin E help fight free radicals and repair UV damage.

7. Even Skin Tone

Regular use may help reduce tanning, dark spots, and pigmentation.

8. No Touch Application

Hygienic; avoids spreading bacteria from hands to face/body.

• Disadvantages of Anti-Tanning Spray:

1. Short Duration of Effect.

Needs frequent reapplication, especially after sweating or swimming.

2. Limited Sun Protection

May not offer strong SPF; often used alongside sunscreen, not as a replacement.

3. Risk of Inhalation

Spraying near the face can lead to accidental inhalation of chemicals.

4. May Cause Allergies

Some sprays may contain alcohol, fragrances, or preservatives that irritate sensitive skin.

5. Uneven Coverage

If not sprayed properly, it may leave patches without protection.

6. Environmental Impact

Aerosol-based sprays can be harmful to the environment and ozone layer.

7. Costlier than Creams

Spray formulations can be more expensive and finish quickly.

8. Not Water-Resistant

Most anti-tanning sprays may wash off easily with sweat or water.

METHOD AND MATERIAL

Prepared By 100Ml solution

Orange & Cucumber 

        ↓ 

Take out their juice (extract) 

        ↓ 

Filter to remove any solid parts 

        ↓ 

      ↓                     ↓ 

Water Part (Aqueous)    Oil Part 

(Rose Water + Extracts)  (Stearic Acid + Jasmine Oil) 

      ↓                     ↓ 

Heat both parts to about 60°C 

        ↓ 

Slowly mix oil part into water part (Emulsify) 

        ↓ 

Add steric acid and preservative to keep it safe and smooth 

        ↓ 

Let it cool to normal room temperature 

        ↓ 

Filter again if needed 

        ↓ 

Pour into clean spray bottles

                                         ↓

✅ Your Anti-Tanning Spray is Ready!

Drug profile

Pharmacognosy Description of Cucumber (Cucumis sativus)

Botanical Name: Cucumis sativus L.

Family: Cucurbitaceae

Common Names: Cucumber, Kheera (Hindi), Vellari (Malayalam), Dosakaya (Telugu)

Chemical Constituents:

Cucurbitacins: Bitter principles (very low in edible cucumbers)

Flavonoids: Apigenin, luteolin

Tannins: Astringent property

Vitamin C: Antioxidant

Silica: Beneficial for skin health

Water: ~95%, provides hydrating and cooling effects

Medicinal Uses:

Cooling agent: Soothes inflamed or sunburnt skin.

Antioxidant: Fights free radicals, delays aging signs.

Anti-inflammatory: Reduces swelling, puffiness.

Diuretic: Promotes urine flow and detoxification.

Skin conditioner: Moisturizes and softens skin; used in cosmetic formulations.

Drug profile

Pharmacognosy Description of orange (citrus sinensis L.)

Botanical Name: Citrus sinensis L. (Sweet Orange)

Family: Rutaceae

Common Names:

Orange, Santra (Hindi), Narangi (Marathi), Kamala (Sanskrit)

Chemical Constituents:

Flavonoids: Hesperidin, narirutin, naringin (antioxidant, anti-inflammatory)

Vitamin C (Ascorbic acid): Potent antioxidant

Essential Oils: Limonene (main component), linalool, citral

Pectins: Polysaccharides with gelling property

Carotenoids: β-carotene, lutein (antioxidant)

Medicinal Uses:

Antioxidant: Protects skin and cells from oxidative damage.

Skin Lightening: Inhibits tyrosinase enzyme, reducing melanin formation.

Astringent: Tightens pores and reduces oil secretion.

Drug profile

Pharmacognosy Description of Vitamin E

General Name:

Vitamin E (Fat-soluble antioxidant vitamin)

Chemical Name:

Tocopherols and Tocotrienols

(Most active form: α-Tocopherol)

Natural Sources (Crude Drug Sources):

Botanical sources (rich in oil):

Wheat germ oil

Sunflower oil

Almonds, hazelnuts

Green leafy vegetables (spinach, kale)

Soybean oil

Avocado

Animal sources:

Liver, egg yolk, butter (small amounts)

Family of plant source:

Mostly Poaceae (Wheat, maize)

Asteraceae (sunflower)

Fabaceae (soybean).

Pharmacognosy Description of Vitamin E

Chemical Constituents:

Tocopherols: α-, β-, γ-, δ-tocopherols

Tocotrienols: α-, β-, γ-, δ-tocotrienols

Molecular Formula: C29H50O2 (for α-tocopherol)

Solubility: Fat-soluble, insoluble in water, soluble in oils and

Medicinal Uses:

Skin health: Used in creams, lotions, face sprays to moisturize, heal scars, and treat sunburn.

Hair care: Prevents dryness, adds shine, improves scalp health.

Vitamin E deficiency: Treated with supplements in malabsorption disorders.

Chronic disease management: Used as a supportive antioxidant in cardiovascular diseases, diabetes, neurodegenerative disorders.

Drug profile

Pharmacognosy Description of Jasmine Oil

Botanical Source:

Jasmine oil is a volatile (essential) oil obtained from the flowers of various species of the genus Jasminum, commonly:

Botanical Name: Jasminum grandiflorum L., Jasminum officinale L.

Family: Oleaceae

Common Names:

Jasmine oil, Chameli ka tel (Hindi), Mallige (Kannada), Mallipoo (Tamil)

Chemical Constituents of Jasmine Oil:

Esters: Benzyl acetate (floral odor)

Alcohols: Benzyl alcohol, linalool (antiseptic, calming)

Terpenes: Farnesene, phytol (anti-inflammatory)

Ketones: Jasmone, methyl jasmonate (characteristic aroma, skin conditioning)

Others: Indole, skatole (contribute to complex scent)

Medicinal Properties and Uses:

Antiseptic: Prevents microbial growth on the skin.

Anti-inflammatory: Reduces swelling, irritation, and redness.

Emollient: Softens and moisturizes skin.

Calming/Sedative: Reduces stress and promotes relaxation (aromatherapy).

Aphrodisiac: Traditionally used to enhance mood and romantic feelings.

Drug profile

Pharmacognosy Description of Rose Water

Botanical Source:

Rose water is a hydrosol (aqueous distillate) obtained from the fresh petals of Rosa species, especially:

Botanical Name: Rosa damascena Mill., Rosa centifolia L.

Family: Rosaceae

Common Names:

Rose water, Gulab Jal (Hindi), Roja Neer (Tamil)

Chemical Constituents of Rose Water:

Volatile oils: Trace amounts of citronellol, geraniol, nerol, linalool.

Phenolic compounds: Quercetin, kaempferol (antioxidant activity).

Tannins: Mild astringent properties.

Flavonoids: Anti-inflammatory and antioxidant effects.

Terpenes: β-Citronellol, eugenol (soothing, antimicrobial).

Medicinal Uses:

Skin toner: Tightens pores, soothes irritation, and refreshes skin.

Anti-inflammatory: Reduces redness, swelling, and skin irritation.

Antioxidant: Protects skin from oxidative stress and aging.

Astringent: Gently cleanses and tones the skin.

Wound healing: Promotes healing of cuts, burns, and scars.

Drug profile

Pharmacognosy Description of Stearic acid

✅ Basic Information

Name: Stearic Acid

Chemical Formula: C₁₈H₃₆O₂

IUPAC Name: Octadecanoic acid

Molecular Weight: 284.48 g/mol

Appearance: Waxy, white or off-white solid

Odor: Mild fatty odor

Melting Point: 69–70°C

Solubility: Insoluble in water, soluble in oils and alcohol

? Sources

Naturally found in:

Animal fats (e.g., tallow)

Plant oils (e.g., cocoa butter, shea butter, coconut oil)

? Chemical Properties

Type: Saturated long-chain fatty acid

Structure: 18-carbon chain with a carboxylic acid group (-COOH)

Stability: Chemically stable, non-reactive under normal conditions

? Uses

1. Cosmetics & Skincare:

Acts as an emulsifier, thickener, and stabilizer

Common in creams, lotions, soaps, and shaving foam

2. Pharmaceuticals:

Used as a lubricant in tablet mmanufacturi

3. Soaps:

Reacts with lye (NaOH or KOH) to make bar soap (saponification)

4. Candles & Waxes:

Increases hardness and opacity

5. Food Industry:

Used as a food additive (E570) as a release agent

Evaluation of Anti-Tanning Spray with Cucumber and Orange Extracts

Objective:

To test how good, safe, and effective the anti-tanning spray is when used on skin.

 Evaluation Parameters

1. Appearance   How the spray looks-color, clearness, no dirt or particles.

2. Smell (Odor) It should smell fresh and natural (like cucumber or orange), not bad.

3. pH Level It should not be too acidic or basic safe for skin (arou