Peptide Hair Growth Serum Serenity Lab
Peptide Hair Growth Serum Serenity Lab
Peptide Hair Growth Serum Serenity Lab
Peptide Hair Growth Serum Serenity Lab

Peptide Hair Growth Serum

Bioactive Peptide Scalp Serum for Fuller-Looking, Thicker-Looking & Healthier-Looking Hair

Peptide Hair Growth Serum is a lightweight scalp serum formulated with five bioactive peptides, amino acids, botanical extracts, antioxidants, and scalp-conditioning ingredients to support the appearance of fuller, thicker, stronger, and healthier-looking hair.

 

This advanced cosmetic hair serum features peptides such as sh-Polypeptide-1, sh-Polypeptide-9, sh-Polypeptide-11, sh-Oligopeptide-2, and sh-Oligopeptide-10, along with Arginine, Rosemary Extract, Eucalyptus Leaf Extract, Scutellaria Baicalensis Root Extract, Saw Palmetto Extract, Soybean Germ Extract, Wheat Germ Extract, Tocopherol, Glycerin, and Propanediol.

Best For These Hair & Scalp Goals

Fuller-Looking Hair

The peptide complex, saw palmetto, rosemary, and arginine support the appearance of thicker, fuller-looking hair.

 

Scalp Wellness

Hydrating and botanical ingredients help refresh and nourish the scalp.

 

Hair Strength Appearance

Arginine, peptides, soybean germ extract, wheat germ extract, and tocopherol help support stronger, healthier-looking strands.

 

Hair Manageability

The lightweight serum helps improve hair feel without the heaviness of traditional oils.

 

Refreshing Scalp Massage

Eucalyptus and rosemary create a clean, refreshed scalp-care experience.

Supportive Lifestyle Pairings

For Fuller-Looking Hair

Pair with:

  • Scalp massage
  • Protein-rich meals
  • Iron-rich foods
  • Zinc-rich foods
  • Omega-3-rich foods
  • Gentle styling habits

For Scalp Wellness

Pair with:

  • Gentle shampoo
  • Consistent wash routine
  • Reduced buildup
  • Hydration
  • Avoiding harsh scratching
  • Lightweight scalp products

For Hair Strength Appearance

Pair with:

  • Adequate protein intake
  • Collagen-supportive nutrition
  • Vitamin C-rich foods
  • Reduced heat styling
  • Satin pillowcase
  • Regular trims

Designed for direct scalp application, this serum helps nourish the scalp, support the appearance of hair density, improve the look of hair vitality, and create a refreshed scalp environment. With consistent use, hair can appear more manageable, revitalized, and fuller-looking.

 

This product is a cosmetic scalp serum. It is intended to support the appearance of healthier-looking hair and scalp wellness. It is not intended to diagnose, treat, cure, or prevent hair loss, alopecia, scalp disease, or any medical condition.

How Peptide Hair Growth Serum Works

Healthy-looking hair starts with a healthy-looking scalp. This serum uses a multi-pathway cosmetic approach to support the scalp and improve the appearance of hair density, vitality, and strength.

1. Peptide Support for Fuller-Looking Hair

The five-peptide complex helps support the appearance of thicker, denser-looking hair by targeting cosmetic hair vitality and scalp conditioning.

2. Amino Acid Support

Arginine is an amino acid used in hair-care formulas to support the appearance of hair strength, smoothness, and vitality.

3. Botanical Scalp Nourishment

Rosemary, eucalyptus, saw palmetto, and Scutellaria Baicalensis help refresh and nourish the scalp, creating a more balanced-looking scalp environment.

4. Hydration & Scalp Comfort

Glycerin and propanediol help provide lightweight hydration, supporting scalp comfort without a greasy feel.

5. Antioxidant Beauty Support

Tocopherol, rosemary, Scutellaria Baicalensis, soybean germ, and wheat germ extracts help support the scalp against the visible effects of environmental stress.

Key Benefits

Supports Fuller-Looking Hair

A blend of five cosmetic peptides helps support the appearance of thicker, fuller, more voluminous-looking hair.

Supports Scalp Wellness

Rosemary Extract, Eucalyptus Leaf Extract, Scutellaria Baicalensis Root Extract, Saw Palmetto Extract, and hydrating ingredients help nourish and refresh the scalp.

Helps Improve Hair Vitality

Arginine, soybean germ extract, wheat germ extract, tocopherol, and botanical extracts help support the look of stronger, healthier, more resilient hair.

Lightweight Daily Formula

This serum is designed to absorb into the scalp without a heavy, greasy finish, making it easy to use in daily hair-care routines.

Supports Shine, Smoothness & Manageability

Hydrating and conditioning ingredients help improve the feel of the hair and scalp, leaving hair looking smoother, fresher, and more manageable.

Product Details

Product Type

cosmetic scalp serum

Formula Type

Peptide, amino acid, botanical, and scalp-conditioning serum

Hair Types

Suitable for most hair types

Texture

Lightweight serum

Finish

Non-greasy, refreshed, scalp-focused

Product Amount

1 fl oz / 30 ml

Best For

Fuller-looking hair, scalp wellness, hair vitality, volume appearance, shine

Suggested Use

Apply a few drops directly to the scalp and massage for 1–2 minutes

Active Ingredient Breakdown

Water (Base)

Creates a lightweight serum texture

Glycerin (Humectant)

Helps draw moisture to the scalp

Lecithin (Conditioning and delivery support)

Helps improve formula feel and ingredient dispersion

Propanediol (Humectant and texture enhancer)

Supports hydration and smooth application

Arginine (Amino acid)

Supports the appearance of hair strength and vitality

Caprylyl Glycol (Skin-conditioning and preservation support)

Helps maintain product feel and freshness

Citric Acid (pH support)

Helps balance the formula

Eucalyptus Globulus Leaf Extract (Botanical scalp refresh)

Provides a clean, refreshing scalp feel

Tocopherol (Vitamin E)

Antioxidant support and conditioning

sh-Polypeptide-11 (Peptide)

Supports the look of healthier, fuller hair

sh-Polypeptide-1 (Peptide)

Supports scalp and hair vitality appearance

sh-Oligopeptide-2 (Peptide)

Helps support cosmetic hair-care performance

sh-Oligopeptide-10 (Peptide)

Supports the appearance of thicker-looking hair

sh-Polypeptide-9 (Peptide)

Supports hair and scalp conditioning

Lactic Acid (pH and skin-conditioning support)

Helps maintain formula balance and smooth feel

Soybean Germ Extract (Botanical conditioning support)

Supports hair vitality and scalp nourishment

Wheat Germ Extract (Botanical conditioning support)

Supports smoother, healthier-looking hair

Scutellaria Baicalensis Root Extract (Botanical antioxidant)

Supports scalp comfort and antioxidant care

Sodium Benzoate (Preservative)

Helps maintain product freshness

Gluconolactone (Skin-conditioning support)

Helps support hydration and gentle smoothing

Calcium Gluconate (Formula support)

Helps stabilize the formula

Potassium Sorbate (Preservative)

Helps protect product freshness

Rosemary Extract (Botanical scalp support)

Supports scalp freshness and hair vitality appearance

Xanthan Gum (Texture support)

Gives the serum a smooth consistency

Sodium Gluconate (Formula stabilizer)

Supports formula quality

Saw Palmetto Extract (Botanical hair-care support)

Supports the appearance of fuller, thicker-looking hair

Who This Product Is For

Peptide Hair Growth Serum may be a good fit for people who want:

  • Fuller-looking hair
  • Thicker-looking hair appearance
  • Better hair volume
  • Scalp wellness support
  • A lightweight daily scalp serum
  • Advanced peptide-based hair care
  • A botanical scalp routine
  • Hair vitality and shine support
  • A non-oil scalp serum alternative
  • A simple daily product for healthier-looking hair

Featured Ingredient Story

  • Five-Peptide 

    Complex

  • Arginine

  • Rosemary

  • Eucalyptus Leaf

  • Scutellaria 

    Baicalensis Root

  • Saw Palmetto

  • Soybean & 

    Wheat Germ

Featured Ingredient Story

Five-Peptide Complex

This serum features five cosmetic peptides:

  • sh-Polypeptide-11
  • sh-Polypeptide-1
  • sh-Oligopeptide-2
  • sh-Oligopeptide-10
  • sh-Polypeptide-9

Peptides are commonly used in advanced cosmetic formulas because they help support the appearance of stronger, healthier, more resilient-looking hair and skin. In this scalp serum, the peptide complex supports the look of fullness, density, vitality, and scalp renewal.

 

Best for:

  • Fuller-looking hair
  • Thicker-looking hair
  • Scalp-focused beauty routines
  • Hair vitality support
  • Advanced cosmetic hair care

Featured Ingredient Story

Arginine

Arginine is an amino acid often used in hair-care formulas to support the appearance of hair strength, smoothness, and vitality. It helps enhance the serum’s conditioning profile and supports a healthier-looking finish.

 

Best for:

  • Hair strength appearance
  • Hair vitality
  • Smoothness
  • Scalp-care formulas

Featured Ingredient Story

Rosemary Extract

Rosemary is one of the most popular botanicals in scalp-care routines. In this formula, rosemary supports scalp freshness, hair vitality, and the appearance of fuller-looking hair.

 

Best for:

  • Scalp wellness
  • Hair vitality appearance
  • Fuller-looking hair routines
  • Refreshing botanical care

Featured Ingredient Story

Eucalyptus Leaf Extract

Eucalyptus Leaf Extract provides a refreshing scalp feel and helps enhance the sensory experience of scalp massage.

 

Best for:

  • Scalp freshness
  • Clean-feeling scalp
  • Massage routines
  • Invigorating hair-care rituals

Featured Ingredient Story

Scutellaria Baicalensis Root Extract

Scutellaria Baicalensis is a traditional botanical extract used in cosmetic formulas for antioxidant and soothing-supportive properties. It helps support scalp comfort and a balanced-looking scalp environment.

 

Best for:

  • Scalp comfort
  • Antioxidant care
  • Sensitive-feeling scalp support
  • Botanical scalp nourishment

Featured Ingredient Story

Saw Palmetto Extract

Saw Palmetto Extract is commonly used in hair-care formulas to support the appearance of fuller, thicker-looking hair. In this serum, it complements the peptide complex and botanical scalp-support ingredients.

 

Best for:

  • Fuller-looking hair
  • Thicker-looking hair appearance
  • Hair density routines
  • Scalp-focused cosmetic care

Featured Ingredient Story

Soybean & Wheat Germ Extracts

Soybean Germ Extract and Wheat Germ Extract help condition the scalp and support the look of smooth, healthy, revitalized hair.

 

Best for:

  • Hair softness
  • Hair vitality
  • Scalp nourishment
  • Smooth-looking hair

How to Apply for Best Results

Step 1: Start With a Clean Scalp

Apply to a clean scalp for best distribution.

Step 2: Section the Hair

Part the hair into sections so the serum reaches the scalp directly.

Step 3: Apply a Few Drops

Use a small amount across target areas of the scalp.

Step 4: Massage for 1–2 Minutes

Use fingertips, not nails. Massage gently in circular motions.

Step 5: Leave On

Allow the serum to absorb. Do not rinse unless directed by the product label.

Step 6: Use Consistently

Fuller-looking hair and scalp vitality benefits usually require consistent use over time.

 

Routine Integration

 

Morning Scalp Routine

  1. Part hair into sections
  2. Apply a few drops to scalp
  3. Massage for 1–2 minutes
  4. Let absorb
  5. Style as usual

Night Scalp Routine

  1. Apply to scalp before bed
  2. Massage gently
  3. Leave on overnight
  4. Wash or style as usual the next day

Wash-Day Routine

  1. Shampoo and condition
  2. Towel-dry hair
  3. Apply serum directly to scalp
  4. Massage and leave on
  5. Style normally

Who Should Be Cautious

Use caution or consult a professional before use if you:

  • Have a sensitive scalp
  • Are prone to contact dermatitis
  • Have known allergies to soy or wheat
  • Are sensitive to eucalyptus, rosemary, or botanical extracts
  • Have scalp irritation, wounds, eczema, psoriasis, or seborrheic dermatitis
  • Are using prescription scalp treatments
  • Are using minoxidil or medicated hair products
  • Are pregnant or nursing and concerned about botanical extracts

Do not apply to broken, irritated, infected, or freshly scratched skin.

Suggested Use

Suggested Use

Apply a few drops of serum directly to the scalp.

 

Gently massage the serum into the scalp using your fingertips for 1–2 minutes to ensure even distribution and support scalp stimulation through massage.

 

How Often to Use

Use daily or as directed on product packaging.

 

If you have a sensitive scalp, start with 2–3 times per week and increase gradually if tolerated.

 

Best Time to Use

This serum can be used:

  • In the morning before styling
  • At night as part of a scalp-care routine
  • After washing hair on a clean scalp
  • On non-wash days as a lightweight scalp treatment

How to Optimize Its Supportive Role

A peptide scalp serum works best when paired with a complete hair wellness routine.

  • Scalp Massage

  • Keep Scalp 

    Clean

  • Protein Intake

  • Hair-Friendly 

    Nutrients

  • Reduce Styling 

    Stress

How to Optimize Its Supportive Role

Support With Scalp Massage

Daily or regular scalp massage helps distribute the serum evenly and creates a relaxing self-care ritual.

How to Optimize Its Supportive Role

Keep the Scalp Clean

A clean scalp helps reduce buildup and allows leave-on products to spread more evenly.

How to Optimize Its Supportive Role

Prioritize Protein Intake

Hair is made primarily of keratin, a structural protein. A balanced diet with adequate protein supports overall hair wellness.

 

Protein-rich foods include:

  • Eggs
  • Greek yogurt
  • Fish
  • Chicken
  • Lean beef
  • Lentils
  • Beans
  • Tofu
  • Protein smoothies

How to Optimize Its Supportive Role

Support Hair-Friendly Nutrients

A nutrient-dense diet can support hair wellness from within.

 

Helpful nutrients include:

  • Iron
  • Zinc
  • Protein
  • Omega-3 fatty acids
  • Vitamin D
  • B vitamins
  • Vitamin C
  • Magnesium

How to Optimize Its Supportive Role

Avoid Excessive Iodine Stacking

Support the appearance of healthier hair by minimizing:

  • Excess heat styling
  • Tight hairstyles
  • Harsh brushing
  • Frequent bleaching
  • Over-washing
  • Heavy scalp buildup

Common Questions

What does Peptide Hair Growth Serum do?

Peptide Hair Growth Serum supports scalp wellness, hair vitality, shine, manageability, and the appearance of fuller, thicker-looking hair.

Will this regrow hair?

This is a cosmetic scalp serum designed to support the appearance of healthier, fuller-looking hair. It is not intended to diagnose, treat, cure, or prevent hair loss, alopecia, or any medical scalp condition.

What are peptides in hair serum?

Peptides are small protein-like compounds used in cosmetic formulas to support the appearance of healthier-looking skin and hair. In this serum, peptides help support the look of fullness, density, and vitality.

How many peptides are in this serum?

This serum contains five peptide ingredients: sh-Polypeptide-11, sh-Polypeptide-1, sh-Oligopeptide-2, sh-Oligopeptide-10, and sh-Polypeptide-9.

Is this good for all hair types?

Yes, the lightweight formula can be used by most hair types, including straight, wavy, curly, and coily hair. Adjust the amount based on your scalp and hair density.

Does it leave hair greasy?

No, this is a lightweight serum, not a heavy oil. Start with a few drops and apply directly to the scalp.

Can I use it every day?

Yes, it can be used daily if tolerated. If your scalp is sensitive, start with 2–3 times weekly.

Should I apply it to wet or dry hair?

Apply directly to the scalp. It can be used on a clean dry scalp or after washing when the scalp is clean and hair is lightly towel-dried.

Can I use this with hair oil?

Yes. Apply the serum first and let it absorb before using heavier oils. Avoid over-layering if your scalp gets oily easily.

How long does it take to see results?

Scalp hydration and freshness may be noticed sooner. Fuller-looking hair, improved manageability, and hair vitality usually require consistent use over several weeks or months.

Safety, Storage & Supplement Disclaimer

Patch Test Guidance

Before first use, apply a small amount behind the ear or to the inner arm.

 

Wait 24 hours.

 

Do not use if redness, itching, burning, swelling, rash, or irritation occurs.

 

Safety & Warning

For external use only.

 

Keep out of reach from children.

 

Store in a cool, dry place.

 

Avoid contact with eyes. If contact occurs, rinse thoroughly with water.

 

Discontinue use if irritation, rash, burning, or discomfort occurs.

 

Do not use on broken, irritated, or infected skin.

 

Product Transparency Notes

 

Full Ingredient List

Water, Glycerin, Lecithin, Propanediol, Arginine, Caprylyl Glycol, Citric Acid, Eucalyptus Globulus Leaf Extract, Tocopherol, sh-Polypeptide-11, sh-Polypeptide-1, sh-Oligopeptide-2, sh-Oligopeptide-10, sh-Polypeptide-9, Lactic Acid, Glycine Soja Soybean Germ Extract, Triticum Vulgare Wheat Germ Extract, Scutellaria Baicalensis Root Extract, Sodium Benzoate, Gluconolactone, Calcium Gluconate, Potassium Sorbate, Rosmarinus Officinalis Rosemary Extract, Xanthan Gum, Sodium Gluconate, Serenoa Repens Saw Palmetto Extract.

 

Contains

  • Five peptide complex
  • Arginine
  • Rosemary Extract
  • Eucalyptus Leaf Extract
  • Saw Palmetto Extract
  • Scutellaria Baicalensis Root Extract
  • Soybean Germ Extract
  • Wheat Germ Extract
  • Tocopherol
  • Glycerin
  • Propanediol
  • Gluconolactone

Allergen Awareness

This formula contains soybean-derived and wheat-derived ingredients. Review the full ingredient list before use if you have known sensitivities.