It is not possible to make your skin significantly whiter in just one day. However, there are natural remedies that can help brighten your complexion over time. Here are some ingredients and materials that are commonly used in natural skin whitening remedies:

Positive ingredients:

• Lemon juice: The acidity of lemon juice can help lighten skin tone. Mix equal parts lemon juice and water, apply to skin, and rinse after 20 minutes.
• Milk: The lactic acid in milk can gently exfoliate skin and remove tanned or blemished skin cells. Mix milk and tomato juice and apply to skin for 20 minutes before rinsing.
• Yogurt: Yogurt can hydrate skin and improve skin tone. Mix yogurt, honey, and lemon juice and apply to skin for 20 minutes before rinsing.
• Turmeric: Turmeric has anti-inflammatory properties and can help brighten skin. Mix turmeric with water or milk to form a paste and apply to skin for 15-20 minutes before rinsing.
• Tomato: The acidity in tomato juice can help brighten skin. Apply tomato juice to skin with cotton balls or a spray bottle and leave for 15-20 minutes before rinsing.
• Berries: Eating berries can help improve skin health and promote a healthy glow.

Negative ingredients:

• Hydroquinone: This chemical is often used in skin whitening products but can have harmful side effects, including skin irritation and increased risk of skin cancer.

It is important to note that natural remedies may not work for everyone and results may vary. It is also important to protect your skin from sun damage by wearing sunscreen and avoiding prolonged sun exposure.