1. Differences between the products:
The Riva’s Professional line is suitable for all hair types. It provides softness, shine, and smooth texture without weighing hair down, thanks to a blend of nourishing oils, grape seed extract, and collagen.

2. Usage recommendations:  
Use shampoo and conditioner at least 4 times a week or daily.

3. Active ingredients:
Grape seed extract and organic collagen, which nourish and provide lightness to the hair.

4. Product application: 
- Shampoo: Apply to the scalp, massage, and rinse. Repeat if needed.  
- Conditioner: Apply from the mid-length to the ends, let it sit, and rinse thoroughly.  
- Hair mask: Apply to the lengths, avoiding the roots. Let it sit for 5 to 15 minutes and rinse completely.  
- Leave-in: Apply to the lengths and ends, comb through, and style as desired.

5. Recommended quantities: 
Adjust according to hair length and volume:  
- Shampoo: 1 tablespoon (long hair) or 1 teaspoon (short hair).  
- Hair mask: Start with 1 teaspoon and add more if needed.

6. Best time to use the product:  
Now is the time to invest in hair care for improved results.

7. Correct usage order:  
1. Shampoo  
2. Hair mask  
3. Conditioner  
4. Leave-in  
5. Finishing oil