Score computed from verified review sentiment, ingredient efficacy, and cross-platform consistency.
Reviewed by Flash AI Editorial Team · Last updated March 2026.
The serum is clinically proven to promote new hair growth and increase hair density, with multiple sources reporting visible results in as little as 28 days of consistent daily use. Users observed new growth, particularly baby hair on the hairline, and a significant increment in hair density and thickness.
Significantly reduces hair fall and breakage, with multiple sources indicating a noticeable decrease within 14-28 days of regular application. Users reported less hair in their comb and shower, and a visible reduction in hair fall after a month of use.
Strengthens hair roots and promotes thicker, fuller hair, with users reporting hair feeling healthier, stronger, and more resilient. The serum supports thicker, fuller hair and enhances hair thickness and strength, contributing to overall hair vitality.
Improves overall hair health, leading to softer strands and a natural shine. Users have noted that their hair feels softer and exhibits a shine that was not present before, contributing to a healthier appearance.
While effective for many, the serum may not be effective for male pattern baldness or genetic hair loss caused by DHT. One user considered the product a complete waste, suggesting it might not work for all types of hair loss.
Flash AI has analysed more potential drawbacks from verified reviews and expert sources for this product.
Flash AI analyzes thousands of reviews across Amazon, Nykaa, YouTube & Reddit, etc. to give you one honest score — and finds you the best price in India.
The Pilgrim Redensyl and Anagain Advanced Hair Growth Serum is a clinically tested scalp treatment that targets hair fall, rebalances the hair growth cycle, and promotes new hair density. It earns an AI Score of 68/100 on Flash AI, drawn from 1838 verified reviews across 5 platforms, reflecting consistent positive sentiment around effectiveness, formula quality, and scalp compatibility. The serum comes in a 50 ml bottle, applies on a clean, dry scalp, and works overnight as part of a daily routine.
The formula brings together 13 active ingredients. Redensyl, present at 3%, is one of the two primary growth-stimulating actives. Anagain, at 4%, supports the rebalancing of the hair growth cycle and targets ongoing hair fall. Supporting actives include Korean Black Rice, Amino Acids, Bicapil, Saw Palmetto, and Capilia Stem Cell Complex, all directed at scalp health and follicle strength. Caffeine and Biotin support hair fibre health. Rosemary, Niacinamide, Hyaluronic Acid, and Peptides condition the scalp and strengthen individual strands. The formula carries no fragrance, mineral oil, parabens, sulphates, or artificial colours, making it a lower-irritation option for sensitive scalps.
This serum suits anyone experiencing hair fall, thinning, or reduced density, regardless of hair type. Verified reviewers reported new baby hair at the hairline, reduced shedding within 14 to 28 days, and visibly thicker, stronger hair after consistent use. Users also noted a calmer, less irritated scalp over several weeks of daily application. One clear limitation: this serum may not work for male pattern baldness or genetic hair loss driven by DHT. Reviewers with those concerns flagged it as ineffective. If your hair loss has a hormonal or hereditary cause, consult a dermatologist before treating this product as your primary solution.
Available across 18 sellers, this serum is priced between ₹509 and ₹850. At its lowest price point, it offers a clinically tested, 13-ingredient formula that represents strong value in the Indian hair growth serum segment. Review sentiment is strongly positive across effectiveness and formula quality, with users across hair types reporting tangible results in both hair fall reduction and new growth. Flash AI recommends this serum for daily use if you are dealing with general hair fall or thinning and want a fragrance-free, non-greasy leave-on treatment. For pattern baldness or genetic hair loss, keep your expectations realistic and seek professional dermatological guidance alongside any topical product.
"With a Flash AI Score of 68/100, Pilgrim Redensyl & Anagain Advanced Hair Growth Serum (50 ml) earns its ranking through demonstrated, cross-platform results."
— Flash AI Editorial TeamPilgrim is an Indian skincare and haircare brand that draws inspiration from global beauty rituals, offering products infused with ingredients like Korean Black Rice, Retinol, and Vitamin C. Known for their accessible price point and targeted solutions for concerns like dullness, dark spots, and uneven texture, their range incorporates actives such as Glycolic Acid and Niacinamide. Pilgrim products are widely available across Indian marketplaces including Nykaa, Amazon, Flipkart, and Myntra.
| Features | Redensyl & Anagain Advanced Hair Growth | Bodywise | Hair Growth Pack | Hair | Bontress Pro Hair Serum | Lador Perfect Hair Fill-Up (Hair Ampoule |
|---|---|---|---|---|
| Key Ingredients | Redensyl (3%), Anagain (4%), Korean Black Rice, Amino Acid, Bicapil, Saw Palmetto, Capilia Stem Cell Complex, Peptides, Caffeine, Biotin, Rosemary, Niacinamide, Hyaluronic Acid | 3% Redensyl & 2% Anagain, Rosemary | Redensyl, Procapil, Capixyl, Anagain | Keratin, Ceramides, Ceramide NP… |
| Best For | hair care | Adults | ||
| Hair Type | Natural | — | Herbal | — |
| Price From | ₹509 | ₹569 | ₹680 | ₹299 |
"Both male and female can use it I've been using the Pilgrim Advanced Hair Growth Serum 3% + Anagen 4% for a few weeks, and I've already noticed a difference in the thickness and strength of my hair. The serum is lightweight and non-greasy, making it easy to apply without weighing down my hair."
"The Pilgrim hair growth serum has worked wonders for my thinning hair. The unique blend of ingredients has improved my hairs strength and appearance significantly."
"I?ve been using the Pilgrim Hair Growth Serum for a few weeks now and I can already notice a visible difference in my hair. It feels healthier stronger and ..."
Apply the serum once daily on a clean, dry scalp. Place a few drops directly onto thinning areas, massage gently with your fingertips, and leave it on overnight. Consistent daily use is essential to seeing results, with reviewers noting visible changes from 14 days onward.
Yes, the product is formulated for all hair types. The non-greasy, fast-absorbing formula is designed to work without disrupting your hair's natural balance. Whether your hair is fine, thick, oily, or dry, you can incorporate this serum into your daily scalp care routine.
Redensyl is present at a 3% concentration and is one of the two primary actives in this serum. The product is clinically tested to show new hair growth in 28 days, with Redensyl central to that claim. It works alongside Anagain (4%) to promote new hair density and rebalance the hair growth cycle.
Based on review insights, many users report a noticeable reduction in hair fall within 14 to 28 days of consistent daily use. New baby hair at the hairline and increased density are typically observed around the 28-day mark. Results will vary based on the underlying cause of your hair loss.
The formula is fragrance-free, paraben-free, mineral oil-free, sulphate-free, and free from artificial colours, which makes it a lower-irritation option for sensitive scalps. Reviewers have reported a calmer, less irritated scalp after a few weeks of use. If you have a diagnosed scalp condition, consult a dermatologist before starting.
This formula combines 13 active ingredients, including Redensyl (3%), Anagain (4%), Caffeine, Biotin, Rosemary, Niacinamide, Hyaluronic Acid, and Peptides, among others. A basic serum or hair oil typically targets one or two concerns with a simpler ingredient list. This product targets hair fall reduction, growth stimulation, scalp health, and strand strengthening in a single leave-on daily application.
This serum is available across 18 sellers, with prices starting from ₹509. Comparing prices on major Indian retail platforms before purchasing can help you secure the lowest rate. Prices go up to ₹850 depending on the seller, so checking multiple listings before buying is worth your time.
The serum has a lightweight, non-greasy, liquid consistency that absorbs quickly into the scalp without leaving residue or stickiness. Reviewers confirm it does not cause greasiness after overnight use, and most find they do not need to shampoo the morning after application. It is a comfortable formula for daily nighttime use.
Yes, the combination is formulated for daily use as part of the product's intended application method. The formula is clinically tested and 90% natural, with Redensyl at 3% and Anagain at 4% as the primary actives. It is free from parabens, sulphates, mineral oil, and artificial colours, which reduces the risk of scalp irritation with regular use.
The formula is free from sulphates, parabens, mineral oil, and artificial colours, making it a gentle option unlikely to interfere with colour-treated hair. It applies to a dry scalp and does not require rinsing, so it will not strip hair colour the way a shampoo would. If your scalp is sensitive after a recent colour treatment, allow a few days before introducing the serum.